Publikationen

  • Duffner F, Kronemeyer N, Tübke J, Leker J, Winter M, Schmuch R. . ‘Post-lithium-ion battery cell production and its compatibility with lithium-ion cell production infrastructure.’ Nature Energy 2021. doi: 10.1038/s41560-020-00748-8.
  • Kohut, Magdalena Oswin, Lohne Leker, Jens Bröring, Stephanie. . ‘Market convergence from a start-up perspective: The case of probiotics.’ PharmaNutrition 15. doi: 10.1016/j.phanu.2020.100243. [Im Druck]
  • Mauler, Lukas Duffner, Fabian Leker, Jens. . ‘Economies of scale in battery cell manufacturing: The impact of material and process innovations.’ Applied Energy 286: https://doi.org/10.1016/j.apenergy.2021.116499. [Im Druck]

  • Ahlfänger, Marcel Kohut, Magdalena Leker, Jens. . ‘Reconciling Competing Institutional Logics in Corporate Venture Capital Units.’ International Journal of Innovation Management 24, Nr. 8. doi: https://doi.org/10.1142/S1363919620400046. [Im Druck]
  • Duffner, Fabian Krätzig, Oliver Leker, Jens. . ‘Battery plant location considering the balance between knowledge and cost: A comparative study of the EU-28 countries.’ Journal of Cleaner Production 264. doi: https://doi.org/10.1016/j.jclepro.2020.121428.
  • Duffner, Fabian Mauler, Lukas Wentker, Marc Leker, Jens Winter, Martin. . ‘Large-scale automotive battery cell manufacturing: Analyzing strategic and operational effects on manufacturing costs.’ International Journal of Production Economics 232. doi: https://doi.org/10.1016/j.ijpe.2020.107982.
  • Duffner, Fabian Wentker, Marc Greenwood, Matthew Leker, Jens. . ‘Battery cost modeling: A review and directions for future research.’ Renewable and Sustainable Energy Reviews 127. doi: https://doi.org/10.1016/j.rser.2020.109872.
  • Herrmann, Ruth Leker, Jens. . „Erfolgreiche Unternemensgründung im Spannungsfeld von Entrepreneur-perönlichkeitsmerkmalen und Gründungssituationen.“ In Perspektiven des Entrepreneurships, herausgegeben von Hölzle, Katharina Tiberius, Victor Surrey, Heike, 33-46. 1. Aufl. Stuttgart: Schäffer-Poeschel Verlag.
  • Klein, Johannes Stuckenborg, Leonard Leker, Jens. . ‘Hot or not - Which features make FinTechs attractive?The Journal of Entrepreneurial Finance 22, Nr. 1.
  • Stoffels, Marius Klauck, Felix J. R. Hamadi, Thomas Glorius, Frank Leker, Jens. . ‘Technology Trends of Catalysts in Hydrogenation Reactions: A Patent Landscape Analysis.’ Advanced Synthesis & Catalysis 362, Nr. 6: 1258-1247.
  • Wentker, Marc Jüstel, Thomas Leker, Jens. . ‘Economic aspects.’ In Rare Earth Chemistry, edited by Pöttgen, Rainer Jüstel, Thomas Strassert, Cristian A., 611-627. Berlin/Boston: Walter de Gruyter GmbH.

  • Aaldering L, Leker J, Song CH. . ‘Recommending untapped M&A opportunities: A combined approach using principal component analysis and collaborative filtering.’ Expert Systems with Applications 125: 221-232. doi: https://doi.org/10.1016/j.eswa.2019.02.004.
  • Aaldering LJ, Leker J, Song CH. . ‘Uncovering the dynamics of market convergence through M&A.’ Technological Forecasting and Social Change 138: 95-114. doi: https://doi.org/10.1016/j.techfore.2018.08.012.
  • Aaldering Lukas Jan, Leker Jens, Song Chie Hoon. . ‘Analysis of technological knowledge stock and prediction of its future development potential: The case of lithium-ion batteries.’ Journal of Cleaner Production 2019, Nr. 223: 301-311. doi: 10.1016/j.jclepro.2019.03.174. [Im Druck]
  • Aaldering Lukas Jan, Leker Jens, Song Chie Hoon. . ‘Competition or collaboration? – Analysis of technological knowledge ecosystem within the field of alternative powertrain systems: A patent-based approach.’ Journal of Cleaner Production 212: 362-371. doi: https://doi.org/10.1016/j.jclepro.2018.12.047.
  • Leker, Jens Song, Chie Hoon. . ‘Differentiation of innovation strategies based on pharmaceutical licensing agreements: Insight from Korean pharmaceutical firms.’ Technology Analysis and Strategic Management 31, Nr. 2: 169-185. doi: 10.1080/09537325.2018.1490711.
  • Sick, Nathalie Preschitschek, Nina Leker, Jens Bröring, Stefanie. . ‘A new framework to assess industry convergence in high technology environments.’ Technovation 84: 48-58.
  • Wentker Marc, Greenwood Matthew, Chofor Asaba Marius, Leker Jens. . ‘A raw material criticality and environmental impact assessment of state-of-the-art and post-lithium-ion cathode technologies.’ Journal of Energy Storage 26: 1-17. doi: 10.1016/j.est.2019.101022.
  • Wentker Marc, Greenwood Matthew, Leker Jens. . ‘A Bottom-Up Approach to Lithium-Ion Battery Cost Modeling with a Focus on Cathode Active Materials.’ Energies 12, Nr. 3. doi: 10.3390/en12030504.
  • von Delft Stephan, Gelhard Carsten, Kortmann Sebastian, Pisani Niccolò. . ‘Leveraging global sources of knowledge for business model innovation.’ Long Range Planning 52, Nr. 5. doi: doi.org/10.1016/j.lrp.2018.08.003.

  • Aaldering LJ, Leker J, Song CH. . ‘Analyzing the impact of industry sectors on the composition of business ecosystem: A combined approach using ARM and DEMATEL.’ Expert Systems with Applications 100: 17-29. doi: 10.1016/j.eswa.2018.01.045.
  • Hamadi T., Leker J., Meerholz K. . ‘Emergence of Innovation Champions: Differences in the R&D Collaboration Process Between Science and Industry.’ International Journal of Innovation Management 22: 1840008-1-1840008-17. doi: 10.1142/S136391961840008X.
  • Leker Jens, Gelhard Carsten, von Delft Stephan (Eds.): . Business Chemistry: How to Build and Sustain Thriving Businesses in the Chemical Industry. 1. Aufl. : John Wiley & Sons.
  • Stoffels M, Leker J. . ‘The Impact of IT Assets on Innovation Performance – The Mediating Role of Developmental Culture and Absorptive Capacity.’ International Journal of Innovation Management Online.
  • Zhu H, Kock A, Wentker M, Leker J. . ‘How Does Online Interaction Affect Idea Quality? The Effect of Feedback in Firm‐internal Idea Competitions.’ Journal of Product Innovation Management. 35, Nr. 2. doi: 10.1111/jpim.12442.

  • Hamadi Thomas, Leker Jens, Meerholz Klaus. . ‘Establishing science-to-business collaborations via Internet – an investigation of website effectiveness.’ Contributed to the R&D Management Conference, Leuven, Belgium.
  • Krätzig, O. ; Hamadi, T. ; Sick, N. ; Meerholz, K. ; Leker, J.Innovation promoters in technology transfer and insights from “Technology transfer between science and industry”.“ contributed to the Advanced Battery Power 2017, Aachen, Germany, .
  • Song C., Elvers D., Leker J. . ‘Anticipation of converging technology areas — A refined approach for the identification of attractive fields of innovation.’ Technological Forecasting and Social Change 116, Nr. null: 98-115. doi: 10.1016/j.techfore.2016.11.001.
  • Stuckenborg Leonard, Klein Johannes, Leker Jens. . ‘FinTech start-ups: How do business model, area of activity and revenue model relate - A study of the German market.’ Corporate Finance 2017, Nr. 09-10: 257-268.

  • Elvers D., Song C., Steinbüchel A., Leker J. . ‘Technology Trends in Biodegradable Polymers: Evidence from Patent Analysis.’ Polymer Reviews 56, Nr. 4: 584-606. doi: 10.1080/15583724.2015.1125918.
  • Golembiewski Birte, Sick Nathalie, Leker Jens.Cross-industry collaboration along the electric mobility value chain.“ contributed to the Kraftwerk Batterie, Münster, .
  • Sick Nathalie, Nienaber Ann-Marie, Liesenkötter Bernd, vom Stein Nicole, Schewe Gerhard, Leker Jens. . ‘The legend about sailing ship effects – is it true or false? The example of cleaner propulsion technologies diffusion in the automotive industry.’ Journal of Cleaner Production 88: 405-413.
  • Simon H., Leker J. . ‘Using startup communication for opportunity recognition - An approach to identify future product trends.’ International Journal of Innovation Management 20, Nr. 8. doi: 10.1142/S1363919616400168.
  • Strudthoff Maike, Sick Nathalie, Leker Jens. . ‘Knowledge networks based on technological distances.’ Contributed to the The XXVII ISPIM Conference “Blending Tomorrow's Innovation Vintage", Porto, Portugal.
  • Strudthoff Maike, Sick Nathalie, Leker Jens.Knowledge networks in battery research projects.“ contributed to the Kraftwerk Batterie, Münster, .
  • Zhu Hangzi, Sick Nathalie, Leker Jens. . ‘How to use crowdsourcing for innovation? A comparative case study of internal and external idea sourcing in the chemical industry.’ Contributed to the PICMET’16 "Technology Management for Social Innovation, Honolulu, Hawaii, USA.
  • vom Stein Nicole, Sick Nathalie, Leker Jens. . ‘Interaction of calculated and perceived distance dimensions – Evidence from a battery research project.’ Contributed to the PICMET’16 "Technology Management for Social Innovation", Honolulu, Hawaii, USA.

  • Everling Oliver, Leker Jens, Bielmeier Stefan (Hrsg.): . Credit Analyst. 3. Aufl. Berlin/Boston: De Gruyter Oldenbourg.
  • Golembiewski B., vom Stein N., Sick N. and Wiemhöfer H.-D. . ‘Identifying trends in battery technologies with regard to electric mobility: Evidence from patenting activities along and across the battery value chain.’ Journal of Cleaner Production 87: 800-810.
  • Krehl Harald, Strobel Stefan, Sonius David. . „Analyse und Planung von Geschäftsmodellen.“ In Credit Analyst, herausgegeben von Everling Oliver, Leker Jens, Bielmeier Stefan, 225-256. Berlin/ Boston: de Gruyter.
  • Leker Jens, Liesenkötter Bernd, Nienaber Ann-Marie, Schewe Gerhard, Sick Nathalie, vom Stein Nicole. . ‘Still waiting for electric cars to break through – Blame it on the sailing ship effect! Contributed to the The XXVI ISPIM Conference – Shaping the Frontiers of Innovation Management, Budapest, Ungarn.
  • Leker Jens, Sonius David. . „Berücksichtigung von Ausfallwahrscheinlichkeiten in der Unternehmensbewertung.“ In Praxishandbuch der Unternehmensbewertung, herausgegeben von Peemöller Volker, 725-757. 6. Aufl. Herne: nwb.
  • Nienaber Ann-Marie, Holtorf Verena, Leker Jens, Schewe Gerhard. . ‘A Climate of Psychological Safety enhances the Success of Front End Teams.’ International Journal of Innovation Management 19, Nr. 02. doi: 10.1142/S1363919615500279.
  • Sick N., Golembiewski B., Preschitschek N. and Leker J. . ‘Market convergence in electric mobility - An empirical analysis of cross-industry collaborations.’ Contributed to the ISPIM Innovation Summit 2015 “Changing the Innovation Landscape”, Brisbane, Australien.
  • Sick Nathalie, Preschitschek Nina, Bröring Stefanie, Leker Jens. . ‘Market convergence in the field of stationary energy storage systems.’ Contributed to the PICMET '15 Conference "Management of the Technology Age", Portland, Oregon, USA.
  • Sick Nathalie, Preschitschek Nina, Leker Jens.Cross industry collaboration the field of stationary battery systems.“ contributed to the Kraftwerk Batterie, Aachen, Deutschland, .
  • Sonius David, Bergstermann Marie, Liewald Carolina, Kehrel Uwe. . „Zur Entstehung von Unternehmenskrisen - Eine empirische Bewertung potenzieller Krisenursachen.“ Krisen-, Sanierungs- und Insolvenzberatung 11, Nr. 05.15: 197-206.
  • vom Stein Nicole, Sick Nathalie, Leker Jens. . ‘How to measure technological distance in collaborations - The case of electric mobility.’ Technological Forecasting and Social Change 97, Nr. August 2015: 154–167.

  • Blug M., Leker J., Plass L., Günther A. . ‘Methanol generation economics.’ In Methanol: The Basic Chemical and Energy Feedstock of the Future: Asinger's Vision Today, edited by Springer, 603-618. Springer Berlin Heidelberg. doi: 10.1007/978-3-642-39709-7_7.
  • Brockhaus Eva, Eidam Sebastian, Küll Henning, Kurz Klaus. . „Open-Innovation Ansätze in der chemischen Industrie.“ In Open Innovation in der Praxis, herausgegeben von Ili Serhan, Schmölders Matthias, 137-158. Düsseldorf: Symposion.
  • Broom Lowell, Loudon David L., Service Robert W., Sonius David. . ‘Rapid Incremental Innovation Strategy: Sustainable Competitive Advantage.’ International Journal of Engineering Research & Management 01, Nr. 06: 50-58.
  • Gelhard C, Kortmann S, Leker J. . ‘A Contemporary View on Market Orientation and Innovativeness: The Mediating Role of Customer Co-Creation.’ Contributed to the XXV ISPIM Conference, Dublin.
  • Lecou C., Sick N., Leker J. . ‘Selection Patterns in Front End Decision Making – Determining the Probability of Idea Progress within the Internal Innovation Process.’ International Journal of Technology Marketing 9, Nr. 2: 101-124.
  • Schwarzlose Julia, Leker Jens, Kortmann Sebastian. . ‘Ambidextrous Temas.’ Contributed to the XXV ISPIM Conference, Dublin.
  • Service Robert. W., Loudon David L., Sonius David. . ‘Developing a Mindset for Rapid Incremental Innovation.Review of Knowledge Economy 1(4): 74-89.
  • Sick Nathalie, Blug Matthias, Leker Jens. . ‘The Influence of Raw Material Prices on the Development of Hydrogen Storage Materials: The Case of Metal Hydrides.’ Journal of the Knowledge Economy 5, Nr. 4: 735-760. doi: 10.1007/s13132-012-0132-5.
  • Song Chie Hoon , Leker Jens. . „Die Prognose von Konvergenzentwicklungen zur Identifikation attraktiver Innovationsfelder.“ In Motoren der Innovation, herausgegeben von Schultz Carsten, Hölzle Katharina, 3-22.
  • Wosnitza J., Leker J. . ‘Why credit risk markets are predestined for exhibiting log-periodic power law structures.’ Physica A: Statistical Mechanics and its Applications 393, Nr. null: 427-449. doi: 10.1016/j.physa.2013.08.072.
  • Wosnitza Jan, Leker Jens. . ‘Can log-periodic power law structures arise from random fluctuations?Physica A 401: 428-450.
  • Zhu H., Leker J. . ‘Searching for ideas externally.’ Nachrichten aus der Chemie 62, Nr. 12: 163-166.
  • Zhu Hangzi, Djurjagina Katharina, Leker Jens. . ‘Innovative behaviour types and their influence on individual crowdsourcing performances.’ Contributed to the The XXV ISPIM Conference – Innovation for Sustainable Economy & Society, Dublin, Ireland.
  • Zhu Hangzi, Djurjagina Katharina, Leker Jens. . ‘Innovative behaviour types and their influence on individual crowdsourcing performances.’ International Journal of Innovation Management 18, Nr. 6.
  • vom Stein N., Golembiewski B. and Sick N. . ‘Technological distance in academic collaborations - Evidence from battery research.’ Contributed to the The XXV ISPIM Conference – Innovation for Sustainable Economy & Society, Dublin, Ireland.
  • vom Stein Nicole, Sick Nathalie. . ‘Technological distance in academic collaborations – Evidence from battery research.’ International Journal of Innovation Management 18, Nr. 6: 1440011-1-1440011-22.

  • Bauer Manuel, Leker Jens. . ‘Exploration and exploitation in product and process innovation in the chemical industry.’ R&D Management Journal 2013, Nr. 43 (3): 196-212.
  • Eidam Sebastian, Meister Paul, Kehrel Uwe, Leker Jens. . ‘Collaboration and Scientific Output: Improving the Picture by Publication Analysis.’ Contributed to the International Society for Professional Innovation Management Conference 2013, Helsinki, Finland.
  • Golembiewski B., Sick N. and Leker J. . ‘Agriculture and energy industry in the setting of an emerging bioeconomy – Are there any signs of convergence on the horizon? Contributed to the PICMET '13 Conference "Technology Management in the IT-Driven Services", San Jose, California, USA.
  • Golembiewski B., vom Stein N., Sick N. and Leker J. . ‘Enhancing patent analysis as measure for innovation - Evidence from electric mobility and the battery value chain.’ Contributed to the The XXIV ISPIM Conference – Innovating in Global Markets: Challenges for Sustainable Growth, Helsinki, Finland.
  • Leker J. . „With profit and value added tax.“ Nachrichten aus der Chemie 61, Nr. 6: 615. doi: 10.1515/nachrchem.2013.61.6.615.
  • Preschitschek Nina, Niemann Helen, Möhrle Martin G., Leker Jens. . ‘Anticipating industry convergence: Semantic analyses vs. IPC co-classification analyses of patents.’ foresight 15, Nr. 6: 446-464.
  • Sick N., Golembiewski B. and Leker J. . ‘The influence of raw material prices on renewables diffusion.’ Foresight 15, Nr. 6: 477-491.
  • Sonius David, Kehrel Uwe. . „Zum empirischen Zusammenhang von Total Beta und Ausfallwahrscheinlichkeit.“ Corporate Finance biz 4, Nr. 6: 317-322.
  • Wagner R, Preschitschek N, Passerini S, Leker J, Winter M. . ‘Current research trends and prospects among the various materials and designs used in lithium-based batteries.’ Journal of Applied Electrochemistry 43, Nr. 5: 481-496. doi: 10.1007/s10800-013-0533-6.
  • vom Stein Nicole, Sick Nathalie, Leker Jens. . ‘How to measure technological distance in collaborations? The case of electric mobility.’ Contributed to the PICMET '13 Conference "Technology Management in the IT-Driven Services", San Jose, California, USA.
  • von Delft Stephan, Kortmann Sebastian. . „Neue Geschäftsmodelle - Neue Möglichkeiten.“ Nachrichten aus der Chemie 61, Nr. 5: 545-547. doi: 10.1002/nadc.201390169.
  • von Delft Stephan, Leker Jens. . ‘The role of organizational learning and strategic flexibility in business model innovation: A capability-perspective.’ Contributed to the The 33rd SMS Annual International Conference, Atlanta (USA).

  • Everling Oliver, Leker Jens, Bielmeier Stefan (Hrsg.): . Credit Analyst. 2. Aufl. München: Oldenbourg Verlag.
  • Galler Bernd, Kehrel Uwe. . ‘Missing Data Methods in Credit Risk.’ Contributed to the 5th European Risk Conference, Luxembourg.
  • Gelhard C, Kortmann S, Leker, J. . ‘The Relationship between Cross-Functional Integration, Organizational Performance and Ambidextrous Mediators.’ Contributed to the XXIII ISPIM Conference, Barcelona.
  • Große Kathöfer David. . Das Not-Invented-Here Syndrom in der Wissenschaft - Relevanz, Ursachen, Konsequenzen. 1. Aufl. Göttingen: Sierke-Verlag.
  • Große Kathöfer David, Leker Jens. . ‘Knowledge Transfer in Academia - An Exploratory Study on the Not-Invented-Here Syndrome.’ The Journal of Technology Transfer 37, Nr. 5: 658-675. doi: 10.1007/s10961-010-9204-5.
  • Kanzler Steffen, Niedergassel Benjamin, Leker Jens. . ‘Knowledge sharing in academic R&D collaborations: does culture matter?Journal of Chinese Entrepreneurship 4, Nr. 1: 6-19. doi: 10.1108/17561391211200902.
  • Lecou Christos, Sick Nathalie, Leker Jens. . ‘Selection Patterns in Front End Decision Making - Determining the Probability of Idea Progress within the Internal Innovation Process.’ Contributed to the XXIII ISPIM Conference – Action for Innovation: Innovating from Experience, Barcelona, Spanien.
  • Leker, Jens Kehrel, Uwe. . „Wirtschaftschemiker, berufsbegleitend.“ Nachrichten aus der Chemie 60, Nr. 2: 196-197. doi: 10.1002/nadc.201290108.
  • Leker, Jens Kehrel, Uwe. . „Economic Chemist, extra occupational.“ Nachrichten aus der Chemie 60, Nr. 2: 196-197.
  • Leker Jens, Huizingh Eelko, Conn Steffen. . ‘Editorial.’ International Journal of Technology Management 58, Nr. 3/4: 171-173.
  • Leker Jens, Kehrel Uwe. . „Wirtschaftschemiker, berufsbegleitend.“ Nachrichten aus der Chemie 60: 196-197.
  • Nienaber A., Schewe G., Holtorf V., Leker J. . ‘Initiative in teams in the front end of innovation: An empirical study about the success of structured and unstructured teams.’ Contributed to the 2012 Portland International Conference on Management of Engineering and Technology - Technology Management for Emerging Technologies, PICMET'12, Vancouver, BC, can.
  • Preschitschek Nina, Leker Jens, Wiesemann Frank. . Procter & Gamble: Pampers Germany: A brand under pressure.
  • Preschitschek Nina, Niemann Helen, Möhrle Martin G., Leker Jens. . ‘Semantic analyses vs. IPC co-classification analyses of patents: Which one better serves to anticipate converging industries? Contributed to the PICMET (Portland International Center for Management of Engineering and Technology) '12 Conference: "Technology Management for Emerging Technologies", Vancouver, Kanada. [Akzeptiert]
  • Sick N., Golembiewski B. and Leker J. . ‘The Influence of Raw Material Prices on the Diffusion of Renewable Energy Technologies.’ Contributed to the PICMET'12 Conference: "Technology Management for Emerging Technologies", Vancouver, Kanada.
  • Tiemann Irina, Sick Nathalie, Leker Jens. . ‘Supplier involvement in customer new product development: new insights from the supplier’s perspective.’ In Perspectives on Supplier Innovation, edited by Tidd Joe, Brem Alexander, 343-368. London: Imperial College Press.
  • Von Delft, Stephan Leker, Jens. . „Technical Revolution and economic Reaction.“ Nachrichten aus der Chemie 60, Nr. 2: 143-146.
  • Von Delft S., Leker J. . „Chemical industry: Technical revolution and industrial reaction.“ Nachrichten aus der Chemie 60, Nr. 2: 143-146. doi: 10.1002/nadc.201290084.
  • von Delft Stephan, Leker Jens. . „Technische Revolution und wirtschaftliche Reaktion.“ Nachrichten aus der Chemie 60, Nr. 2: 143-146. doi: 10.1002/nadc.201290084.

  • Bauer Manuel, Leker Jens. . ‘Balanced innovation portfolio funding and its impact on new product performance.’ Contributed to the 18th International Product Development Management Conference – IPDMC, Delft, Netherlands.
  • Carsten Zimmermann, Sebastian Kortmann, Johan Perols, Markus Fitza. . ‘Exploring the 'Dynamics' of Dynamic Capabilities: The Anteceding Role of Communal Culture.’ Contributed to the Academy of Management Annual Meeting, San Antonio, Texas.
  • Curran Clive-Steven, Leker Jens. . ‘Patent indicators for monitoring convergence - examples from NFF and ICT.’ Technological Forecasting and Social Change 78, Nr. 2: 256-273. doi: 10.1016/j.techfore.2010.06.021.
  • Galler Bernd, Kehrel Uwe. . ‘Missing Data Methods - Neutralizing the Fly in the Ointment.’ Contributed to the 34th Annual Congress of the European Accounting Association.
  • Große Kathöfer David, Leker Jens. . ‘The Not-Invented-Here Syndrome in Academia – How to Measure and Manage it.’ Contributed to the 12th European Conference on Knowledge Management (ECKM), Passau, Germany. [Akzeptiert]
  • Kehrel Uwe, Galler Bernd. . „Prozesskostenrechnung in einer Bank.“ Das Wirtschaftsstudium: wisu 40, Nr. 2: 226-228.
  • Kirchner Martin, Leker Jens. . ‘Sustainability-oriented Innovations - A Long Way to Go.’ Contributed to the The XXII ISPIM Conference – Sustainability in Innovation: Innovation Management Challenges, Hamburg, Germany. [Akzeptiert]
  • Kirchner Martin, Leker Jens. . ‘Mirror, mirror on the wall, what is the most sustainable company of all? Assessing corporate sustainability performance by using the Corporate Sustainability Map.’ Contributed to the FFRC 13th Conference - Trends and Future of Sustainable Development, Tampere/Finland. [Akzeptiert]
  • Klioutch Irina, Leker Jens. . ‘Supplier involvement in customer new product development: new insights from the supplier's perspective.’ International Journal of Innovation Management 15, Nr. 1: 231-248.
  • Lecou Christos, Blug Matthias, Leker Jens. . ‘Gut feeling versus idea assessment - Evaluating ideas in the Front End of Innovation.’ Contributed to the 18th International Product Development Management Conference, Delft. [Akzeptiert]
  • Niedergassel, Benjamin Leker, Jens. . ‘Different Dimensions of Knowledge in Cooperative R&D Projects of University Scientists.’ Technovation 31, Nr. 4: 142-150. doi: 10.1016/j.technovation.2010.10.005.
  • Niedergassel B., Kanzler S., Alvidrez S., Leker J. . ‘Cross-cultural perceptions on knowledge sharing in heterogeneous collaborations.’ International Journal of Innovation Management 15, Nr. 3: 563-592. doi: 10.1142/S1363919611003441.
  • Niedergassel Benjamin, Kanzler Steffen, Alvidrez Salvador, Leker Jens. . ‘Cross-Cultural Perceptions on Knowledge Sharing in Heterogenous Collaborations.’ International Journal of Innovation Management 15, Nr. 3: 29. doi: 10.1142/S1363919611003441.
  • Preschitschek Nina, Curran Clive-Steven, Leker Jens. . ‘The importance of access to resources in a setting of industry convergence – The case of agriculture and chemistry.’ Contributed to the PICMET (Portland International Center for Management of Engineering and Technology) '11 Conference: "Technology Management in the Energy-Smart World", Potland (OR), USA. [Akzeptiert]
  • Sick Nathalie, Blug Matthias, Leker Jens. . ‘The influence of raw material prices on the development of hydrogen storage materials: The case of metal hydrides.’ Contributed to the PICMET (Portland International Center for Management of Engineering and Technology) '11 Conference: "Technology Management in the Energy-Smart World", Portland (OR), USA.

  • Curran Clive-Steven. . The Anticipation of Converging Industries: A Concept Applied to Nutraceuticals and Functional Foods Dissertation, University of Muenster. Muenster: University of Muenster.
  • Curran Clive-Steven, Bröring Stefanie, Leker Jens. . ‘Anticipating converging industries using publicly available data.’ Technological Forecasting & Social Change 77, Nr. 3: 11. doi: 10.1016/j.techfore.2009.10.002.
  • Curran Clive-Steven, John Gudrun M, Leker Jens. . ‘Finding the Convergence-Needle in the Patent-Haystack.’ Contributed to the The 19th International Conference on Management of Technology – “Technology as the Foundation for Economic Growth".
  • Herzog Philipp, Leker Jens. . ‘Open and closed innovation - different innovation cultures for different strategies.’ International Journal of Technology Management 52, Nr. 3-4: 22.
  • Holtorf Verena, Leker Jens. . ‘Creativity is not enough: Stimulating initiatives and risk-taking within front-end teams.’ Contributed to the The 19th International Conference on Management of Technology – “Technology as the Foundation for Economic Growth".
  • Jan-Henning Trustorff, Paul Markus Konrad, Jens Leker. . ‘Credit risk prediction using support vector machines.’ Review of Quantitative Finance and Accounting online first: 17.
  • Kanzler, Steffen. . ‘Knowledge Sharing in Heterogeneous Collaborations - a Longitudinal Investigation of a Cross-cultural Research Collaboration in Nanoscience.’ Journal of Business Chemistry 7, Nr. 1: 31-45.
  • Kirchner Martin, Lecou Christos, Leker Jens. . ‘The Corporate Sustainability Map – Initiating the Front End of Sustainable Innovation.’ Contributed to the The XXI ISPIM Conference – The Dynamics of Innovation, Bilbao, Spanien.
  • Klioutch Irina, Leker Jens. . ‘Supplier integration in the NPD process: new insights from the supplier’s perspective.’ Contributed to the 17th International Product Development Management Conference – “The Innovation in Crisis Time.
  • Kortmann Sebastian, Schwarzlose Julia, Leker Jens. . ‘The Influence of Integration Mechanisms on Organizational Ambidexterity.’ Contributed to the The XXIII ISPIM Conference, Barcelona.
  • Leker Jens, Große Kathöfer David. . ‘Tiny things being huge.’ Journal of Business Chemistry 7, Nr. 1.
  • Nordhoff Steffan, Tacke Thomas, Brehmer Bemjamin, Schiemann Yvonne, Böhland Thomas, Lecou Christos. . ‘CO2-Neutral Production – Fact or Fiction?In Managing CO2 Emissions in the Chemical Industry, edited by Leimkühler Hans-Joachim, 419-448.
  • Paul Markus Konrad, Jens Leker. . „Regulierung von Ratingagenturen, die DVFA als Plattform und Impulsgeber.“ In Kapitalmarkt in Theorie und Praxis, herausgegeben von Fritz H. Rau, Peter Merk, 373-389. Frankfurt: Fritz Knapp Verlag.
  • Paul Markus Konrad, Jens Leker. . ‘Developments in Credit Rating Agency Regulation.’ In Domestic and Foreign Credit Theory Studies and Standardization Practices, edited by Oliver Everling, Yan Yin, Yusi Ding. Beijing: China Metrology Publishing House. [Im Druck]
  • Preschitschek Nina, Bresser Dominic. . ‘Nanotechnology patenting in China and Germany - a comparison of patent landscapes by bibliographic analyses.’ Journal of Business Chemistry 7, Nr. 1: 3-13.
  • Preschitschek Nina, Curran Clive-Steven, Leker Jens. . ‘Are Plastics turning Organic? Antecedents of Convergence in the Chemical Industry.’ Contributed to the The XXI ISPIM Conference – The Dynamics of Innovation.
  • Schütz Max, Küstner Bernd, Bauer Manuel, Schmuck Carsten, Schlücker Sebastian. . ‘Synthesis of Glass-Coated SERS Nanoparticle Probes via SAMs with Terminal SiO2 Precursors.’ SMALL 6, Nr. 6: 733-737. doi: 10.1002/smll.200902065.
  • Sick Nathalie, Lecou Christos, Wosnitza Jan, Leker Jens. . ‘Assessing Technology Diffusion in Energy Markets. Moderating Effects of Raw Material Prices.’ Contributed to the The XXI ISPIM Conference – The Dynamics of Innovation.

  • Curran C., Leker J. . ‘Seeing the next iphone coming your way: How to anticipate converging industries.’ Contributed to the PICMET 2009 - 2009 Portland International Conference on Management of Engineering and Technology, Portland, OR, usa. doi: 10.1109/PICMET.2009.5262190.
  • Curran Clive-Steven, Leker Jens. . ‘Employing STN AnaVist to Forecast Converging Industries.’ International Journal of Innovation Management 13, Nr. 4: 28.
  • Curran Clive-Steven, Leker Jens. . ‘Forecasting Industry Convergence: Developing Reliable Measures on the Basis of STN AnaVist.’ Contributed to the The XX ISPIM Conference – The Future of Innovation.
  • Curran Clive-Steven, Leker Jens. . ‘When Two Worlds Collide - Measuring Industry Convergence.’ Contributed to the 2009 Academy of Management (AOM) Annual Meeting – Green Management Matters.
  • Curran Clive-Steven, Leker Jens. . ‘Seeing the Next iPhone Coming Your Way: How to Anticipate Converging Industries.’ Contributed to the PICMET '09 Conference - Technology Management in the Age of Fundamental Changes.
  • Curran Clive-Steven, Niedergassel Benjamin, Picker Stefan, Leker Jens. . ‘Project leadership skills in cooperative projects.’ Management Research News 32, Nr. 5: 11.
  • Curran C‐S, Leker J. . „Die Früherkennung konvergierender Industrien auf der Basis öffentlich zugänglicher Daten.Chemie Ingenieur Technik 81, Nr. 8: 1232.
  • Große Kathöfer D, Leker J. . ‘Does the Ivory Tower become permeable? – The NIH Syndrome in Academia.’ Contributed to the The XX ISPIM Conference – The Future of Innovation.
  • Holtorf Verena, Klioutch Irina, Leker Jens. . ‘The Influence of Teams on Entrepreneurial Orientation - Insights from Academia and Industry.’ Contributed to the The XX ISPIM Conference – The Future of Innovation.
  • Holtorf Verena, Leker Jens. . „Corporate Entrepreneurship im Front End des Innovationsprozesses - Mehr Unternehmertum durch Struktur?Zeitschrift für Führung und Organisation 78, Nr. 1: 8.
  • Holtorf Verena, Leker Jens. . ‘Structured Teams and Corporate Entrepreneurship within the Fuzzy Front End.’ Contributed to the The 18th International Conference on Management of Technology (IAMOT) – Management of Green Technology.
  • Kanzler Steffen, Kirchner Martin, Leker Jens. . ‘Opening up the innovation process - a longitudinal research approach investigating the first Chinese-German research collaboration in Nano-Science.’ Contributed to the The XX ISPIM Conference – The Future of Innovation.
  • Kehrel Uwe, Leker Jens. . „Unternehmenskrisen.“ Zeitschrift für Führung und Organisation 78, Nr. 4: 6.
  • Kehrel Uwe, Leker Jens, Mahlstedt Dirk, Trustorff Jan-Henning. . „Effekte der IFRS-Rechnungslegung auf das Bilanzrating.“ Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung 61, Nr. 5: 27.
  • Kirchner Martin, Kanzler Steffen, Leker Jens. . ‘Corporate Sustainability Map - Measuring a Company's Sustainability in Order to Disclose Innovation Potential.’ Contributed to the R&D Management Conference.
  • Kirchner Martin, Klioutch Irina, Kirchner Gerald, Leker Jens. . „Die Entscheidung zum Projektabbruch im strukturierten Innovationsprozess am Beispiel eines Additivs zur Verbesserung der Haftung in ungesättigten Polyesterharzen.“ In Fallstudien zum Innovationsmanagement, herausgegeben von Fisch H J, Roß J-M, 24. Wiesbaden.
  • Leker Jens, Lecou Christos. . „Forscher arbeiten an Materialien für Energieanwendungen.“ Nachrichten aus der Chemie 57, Nr. 3: 357-358. doi: 10.1002/nadc.200963482.
  • Niedergassel Benjamin, Leker Jens. . ‘Collaborative R&D Projects: Differences between University-University and University-Industry Partnerships.’ Contributed to the The XX ISPIM Conference – The Future of Innovation.
  • Niedergassel Benjamin, Leker Jens. . ‘Open innovation: chances and challenges for the pharmaceutical industry.’ Future Medicinal Chemistry 1, Nr. 7: 1197-1200. doi: 10.4155/fmc.09.107.
  • Niedergassel Benjamin, Leker Jens. . ‘Tacit and Explicit Knowledge Sharing in Collaborative R&D Projects.’ Contributed to the The 18th International Conference on Management of Technology (IAMOT) – Management of Green Technology.
  • Picker S., Ruhnke A., Leker J. . ‘Developing knowledge management -what makes the success?International Journal of Technology Management 45, Nr. null: 380-389. doi: 10.1504/IJTM.2009.022660.
  • Picker Stefan, Leker Jens. . ‘Technology sourcing – how biotechnology cooperation works.’ International Journal of Entrepreneurship and Innovation Management 10, Nr. 3/4: 11.

  • Curran CS, Elliger C, Rüdiger S. . ‘Komplexitätsmanagement: Wann ist viel schon zu viel?Nachrichten aus der Chemie 56, Nr. 2: 160-162.
  • Curran Clive-Steven, Bröring Stefanie, Leker Jens. . ‘Using Publicly Available Data to Anticipate Converging Industries.’ Contributed to the 19th ISPIM Conference.
  • Curran Clive-Steven, Bröring Stefanie, Leker Jens. . ‘Patent Analysis for the Anticipation of Converging Industries.’ Contributed to the R&D Management Conference.
  • Everling O, Holschuh K, Leker J (Hrsg.): . Credit Analyst. München: Oldenbourg.
  • Holtorf Verena, Leker Jens. . ‘Different structures, different attitudes: What drives individual entrepreneurial orientation?’ Contributed to the 19th ISPIM Conference.
  • Holtorf Verena, Leker Jens. . ‘Structuring the Front End of the Innovation Process: What are the Drivers of Innovative Behavior?’ Contributed to the R&D Management Conference.
  • Leker Jens, Kruse Michael. . ‘Kennzahlensteuerung in der Spezialchemie.’ In Einfachheit in Wirtschaftsinformatik und Controlling, edited by J. Becker, 17. München: Vahlen.
  • Leker Jens, Mahlstedt Dirk, Kehrel Uwe. . „Auswirkungen der IFRS-Rechnungslegungsumstellung auf das Jahresabschlussbild.“ KoR 8, Nr. 6: 10.
  • Niedergassel Benjamin, Leker Jens. . ‘Tacit vs. Explicit - The Role of different Knowledge Dimensions in collaborative R&D Projects.’ Contributed to the 19th ISPIM Conference.
  • Niedergassel Benjamin, Leker Jens. . ‘Different Dimensions of Knowledge in Cooperative R&D Projects.’ Contributed to the R&D Management Conference.
  • Van Der Velde A., Leker J. . „Rediscovery of old ideas Alte Ideen neu Entdeckt.“ Nachrichten aus der Chemie 56: 773-775.
  • van der Velde Andrea, Leker Jens. . „Alte Ideen neu entdeckt.“ Nachrichten aus der Chemie 56, Nr. 7-8: 773-775.

  • Bade Martin, Herzog Philipp, Leker Jens. . ‘Marktorientiertes Innovationsmanagement.’ In Immunoassays, edited by P. Rauch, 23. München: Elsevier.
  • Bröring Stefanie, Leker Jens. . ‘Industry convergence and its implications for the Front End of innovation - a problem of absorptive capacity.’ Creativity and Innovation Management 16, Nr. 2: 11.
  • Herzog P, Niedergassel B. . ‘Offen für Ideen von außen.’ Nachrichten aus der Chemie 55, Nr. 5: 531-534.
  • Herzog P, Niedergassel B. . ‘Facilitating Open Innovation: Idea brokers in the chemical industry.’ PharmaChem , Nr. 3: 10-12.
  • Herzog Philipp, Leker Jens. . ‘Open vs. Closed Innovation: Different cultures for different strategies.’ Contributed to the 18th ISPIM Conference.
  • Herzog Philipp, Leker Jens. . ‘Open vs. Closed Innovation strategies: Also different innovation cultures? Contributed to the R&D Management Conference.
  • Leker J, Mahlstedt D, Duwe K. . „Status Quo und Entwicklungstendenzen interner Unternehmensberatungen.“ In Consulting Research - Unternehmensberatung aus wissenschaftlicher Perspektive, herausgegeben von V. Nissen, 14. Wiesbaden: Gabler.
  • Leker Jens. . „Krisenmanagement.“ In Handwörterbuch der Betriebswirtschaftslehre, herausgegeben von Köhler R, Küpper H-U, Pfingsten A, 1005-1014. Stuttgart: Schäffer Poeschel.
  • Leker Jens. . ‘Probleme empirischer Innovationsforschung - Ein Werkstattbericht.’ Contributed to the Karl-Franzens Universität Graz.
  • Leker Jens. . ‘Talentfindung durch neue Formen der Zusammenarbeit von Hochschulen und Unternehmen.’ Contributed to the Euroforum Spezialchemie.
  • Leker Jens. . „Innovation Management - Trends in the Chemical Industry.“ Beitrag präsentiert auf der Europäischer Kongress für die Prozessindustrie.
  • Lenk Fabian, Bröring Stefanie, Herzog Philipp, Leker Jens. . ‘On the usage of agricultural raw materials: Energy or food? An assessment from an economics perspective.’ Biotechnology Journal 2, Nr. 12: 8.
  • Niedergassel B. . ‘Business chemistry - an emerging field of research.’ Chemistry in Australia 74, Nr. 2: 3.
  • Niedergassel B, Curran CS, Leßing M. . ‘What drives partners in industry-academia cooperation? A special consideration of reducing uncertainty through computational chemistry.’ Contributed to the R&D Management Conference.
  • Niedergassel Benjamin, Curran Clive-Steven, Leßing Michael, Leker Jens. . ‘What drives partners in industry-academia cooperation? A special consideration of reducing uncertainty through computational chemistry.’ International Journal of Technology Intelligence and Planning 3, Nr. 4: 12.

  • Bröring S, Cloutier L M, Leker J. . ‘The front end of innovation in an era of industry convergence: Evidence from nutraceuticals and functional foods.R&D Management 36, Nr. 5: 12.
  • Bröring Stefanie, Leker Jens, Rühmer Saskia. . ‘Radical or not? Assessing innovativeness and its organisational implications for established firms.’ International Journal of Product Development 3, Nr. 2: 15.
  • Leker Jens. . ‘Academic Education and Innovation - Innovation Management in Theory and Practice.’.
  • Leker Jens, Scheffczyk Eva. . „Fraktionierende Frühdiagnose von Unternehmenskrisen.“ In Krisenmanagement, herausgegeben von Hutzschenreuter Thomas, Griess-Nega Torsten, 143-164.
  • Niedergassel Benjamin, Herzog Philipp, Leker Jens. . ‘Knowledge Conversion in the Context of Open Innovation - An Example from the Chemical Industry.’ Contributed to the 3rd International Conference on Intellectual Capital, Knowledge Management and Organisational Learning.
  • Picker S, Niedergassel B, Peddinghaus B Leker J. . ‘Where to focus? Innovations in the FMCG market.’ Contributed to the 13th IPDM Conference.
  • Picker Stefan, Leker Jens. . ‘Management in Biotechnology: Cooperation and Innovation.’ Contributed to the 28th ACHEMA.
  • Picker Stefan, Niedergassel Benjamin, Leker Jens. . ‘Letter from the Editor: Interdisciplinarity at Work.’ Journal of Business Chemistry 3, Nr. 2.

  • Bröring Stefanie, Leker Jens. . ‘Industry Convergence and its Implications for the Front End of Innovation – A Problem of Absorptive Capacity.’ Contributed to the The 12th International Product Development Management Conference.
  • Bröring Stefanie, Leker Jens. . „Industriekonvergenz – Hindernis oder Chance für Innovation? Eine ressourcenbasierte Analyse der frühen Innovationsphase.“ Beitrag präsentiert auf der 67. Wissenschaftliche Jahrestagung des Verbandes der Hochschullehrer für Betriebswirtschaft e.V..
  • Leker Jens. . ‘F&E Controlling.’ In Handbuch Technologie- und Innovationsmanagement, edited by O. Gassmann, 18. Wiesbaden: Gabler.
  • Leker Jens. . „Misserfolgsanalyse in der Forschung zum strategischen Management.“ In Management von Ad-hoc-Krisen, herausgegeben von M. Hülsmann, 14. Wiesbaden: Gabler.
  • Leker Jens. . ‘Der Unternehmer als Schuldner.’ In Sanierung und Abwicklung in der Insolvenz, edited by T. Möhlmann-Mahlau, 28. Herne/Berlin: nwb.
  • Leker Jens. . ‘Successful Innovation Management - Best Practice or Serendipity?’ Contributed to the Degussa meets Science 2005.
  • Leker Jens. . ‘Innovationsstrategien bei unterschiedlichen Rahmenbedingungen.’ Contributed to the European School of Management and Technology.
  • Leker Jens. . ‘Strategien in der Chemischen Industrie.’ Contributed to the European School of Management and Technology.
  • Leker Jens. . ‘Innovation - New Constellations at Henkel KGaA.’.
  • Leker Jens, Picker Stefan. . ‘Developing a new field of Chemistry - Education in Business Chemistry.’ Contributed to the 40th IUPAC Conference.
  • Picker S, Ruhnke A, Leker J. . ‘Knowledge Management - Factor of Success.’ Contributed to the 16th ISPIM Conference.
  • Picker Stefan, Leker Jens. . ‘Prospects and Innovation in Biotechnology: Bringing new technology to the market.’ Contributed to the CNIC Conference.
  • Picker Stefan, Vehring Carsten, Hahn Lars, Vala Madeleine, Leker Jens. . ‘Letter from the Editors: Why are scientists not managers!?Journal of Business Chemistry 2, Nr. 1.

  • Bröring S, Cloutier L M, Leker J. . ‘R&D in an era of convergence - are projects a set of dynamic relationships?’ Contributed to the The 20th European Group of Organization Studies Colloqium.
  • Bröring S, Cloutier L M, Leker J. . ‘The Front End of Innovation in an Era of Industry Convergence – the case of nutraceuticals.’ Contributed to the R&D Management Conference.
  • Bröring Stefanie, Leker Jens. . ‘Decision Making in the Front End of Innovation on new Industry Segments - A conceptual framework.’ Contributed to the The 25th McMaster World Congress.
  • Leker J, Diehl U, Wieben HJ. . „Ausbildung zum Certified Credit Analyst: Kompetenz durch Qualifizierung.“ In Handbuch Ratingpraxis, herausgegeben von O. Everling, 13. Wiesbaden: Gabler.
  • Leker J, Spahr R, Herzog P. . ‘Strategic change: Dynamic core competencies and firm performance.’ Contributed to the SAM/IFSAM VII World Congress.
  • Leker Jens. . „Gründungsbilanzen.“ In Sonderbilanzen, herausgegeben von K.-R. Veit. Herne/Berlin: nwb.
  • Leker Jens. . ‘Innovationsmanagement - "Werkstattbericht" über aktuelle Projekte im Forschungsfeld Innovationsmanagement.’ Contributed to the Bayer AG.
  • Leker Jens, Hamelau Nicole. . „Einsatz strategischer Wettbewerbsanalysen im Controlling von Großunternehmen.“ In Trendberichte zum Controlling, herausgegeben von M. B. Schulz, 19. Heidelberg: Physica.
  • Leker Jens, Herzog Philipp. . ‘Marketing in der chemischen Industrie.’ In Handbuch Industriegütermarketing: Strategien – Instrumente - Anwendungen, edited by M. Voeth, 23. Wiesbaden: Gabler.
  • Leker Jens, Rühmer Saskia. . „Chemie und Betriebswirtschaftslehre.“ In Wenn der Geist die Materie küsst, herausgegeben von K. Griesar. Frankfurt a. M.: Harri Deutsch.
  • Mahlstedt Dirk, Leker Jens. . „Praxis der bilanziellen Krisendiagnose - geeignete Indikatoren zum Selbst-Check und zur Kundenbetreuung.“ Bilanzbuchhalter und Controller 28, Nr. 5: 4.

  • Bröring Stefanie, Vehring Carsten, Leker Jens. . ‘New Competences for a new market - The Case of the Emerging Nutraceuticals and Functional Foods Sector.’ Contributed to the The 23rd annual international conference of the Strategic Management Society.
  • Leker Jens, Rühmer Saskia. . „Der Einfluss von Wertschöpfungsnetzwerken auf das Innovationsmanagement der chemischen Industrie.“ In Geschäftsmodelle für Wertschöpfungsnetzwerke, Festschrift für Winfried Krüger, herausgegeben von B. Eichler, 15. Wiesbaden: Gabler.

  • Leker J, Daniels HV, Seeliger CW. . „Corporate Venture Capital - der Weg zur erfolgreichen Erschließung neuer Technologien?Perspektiven der Wirtschaftspolitik 3, Nr. 3: 14.
  • Leker J, Möhlmann-Mahlau T, Wieben HJ. . Risikomanagement vor und in der Insolvenz. Recklinghausen: ZAP-Verlag.

  • Hauschildt Jürgen, Leker Jens. . „Kreditwürdigkeitsprüfung, inkl. automatisierte.“ In Handwörterbuch des Bank- und Finanzwesens, herausgegeben von M. Steiner, 13. Stuttgart: Schäffer Poeschel.
  • Leker J, Festel G, Hassan A, Bamelis P (Hrsg.): . Betriebswirtschaftslehre für Chemiker - Eine praxisorientierte Einführung. Berlin et al.: Springer-Verlag.
  • Leker J, Spahr R. . ‘Strategic Change Accompanied by Shift of Core Competencies: A Study of Growth and Performance Effects.’ Contributed to the 2001 Globalization Conference – Cross-Border Business Combinations and Strategic Alliances of the Schmalenbach-Gesellschaft für Betriebswirtschaft and the American Accounting Association.
  • Leker Jens. . „Strategie.“ In Betriebswirtschaftslehre für Chemiker - Eine praxisorientierte Einführung, herausgegeben von Leker J, Festel G, Hassan A, Bamelis P, 15. Berlin et al.: Springer-Verlag.
  • Leker Jens. . „Bilanzratingsysteme zwischen Theorie und Praxis.“ In Außergewöhnliche Entscheidungen, herausgegeben von H. G. Gemünden, 29. München: Vahlen.
  • Leker Jens. . ‘Die Neuausrichtung der Unternehmensstrategie – Erfahrungen und Ergebnisse eines empirischen Forschungsprojektes.’ Contributed to the Justus-Liebig-Universität Gießen.
  • Leker Jens. . ‘Reorientation in a Competitive Environment: An Analysis of Strategic Change.’ Schmalenbach Business Review 53: 41-55.

  • Leker J, Salomo S. . ‘CEO turnover and corporate performance.’ Scandinavian Journal of Management , Nr. 16: 16.

  • Leker Jens, Salomo Sören. . „Die Veränderung der wirtschaftlichen Lage im Verlauf eines Wechsels an der Unternehmensspitze.“ Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung 2.
  • Leker Jens, Schewe Gerhard. . ‘Beurteilung des Kreditausfallrisikos im Firmenkundengeschàft der Banken.’ Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung 50, Nr. 10: 877–891.