Sofka, Wolfgang, Christoph Grimpe and Ulrich Kaiser (2022), Understanding the Unwritten Rules of the Game: Government Work Experience and Salary Premiums in Foreign MNC Subsidiaries, Journal of International Business Studies JIBS 53(6), 1110-1132.

Grimpe, Christoph, Wolfgang Sofka and Ulrich Kaiser (2022), Competing for digital human capital: The retention effect of digital expertise in MNC subsidiaries, Journal of International Business Studies JIBS.

Grimpe, Christoph, Ulrich Kaiser and Wolfgang Sofka (2019), Signaling valuable human capital: Advocacy group work experience and its effect on employee pay in innovative firms, Strategic Management Journal 40(4), 685-710.

Kaiser, Ulrich, Keld Laursen, Hans Christian Kongsted and Ann-Kathrine Ejsing (2018), Experience matters: the role of academic scientist mobility for industrial innovation, Strategic Management Journal 39(7), 1935-1958.

Kaiser, Ulrich and Johan Kuhn (2016), Worker-level and Firm-level Effects of a Wage Subsidy Program for Highly Educated Labor: Evidence from Denmark, Research Policy 45(9), 1939-1943.

Kaiser, Ulrich, Hans Christian Kongsted and Thomas Rønde (2015), Does the Mobility of R&D Labor Increase Innovation?, Journal of Economic Behavior and Organization 110, 91-105.

Kaiser, Ulrich and Bettina Müller (2015), Skill Heterogeneity in Startups and its Development over Time, Small Business Economics 45(4), 787-804.

Kaiser, Ulrich and Ambarish Chandra (2014), Targeted Advertising in Magazine Markets and the Advent of the Internet, Management Science 60(7), 1829-1843.

Kaiser, Ulrich, Susan Méndez, Thomas Rønde and Hannes Ullrich (2014), Regulation of Pharmaceutical Prices: Evidence from a Reference Price Reform in Denmark, Journal of Health Economics 36, 174-187.

Kaiser, Ulrich and Johan Kuhn (2012), Long-Run Effects of Public-Private Research Joint Ventures: The Case of the Danish Innovation Consortia Support Scheme, Research Policy 41(5), 913-927.

Kaiser, Ulrich and Nikolaj Malchow-Møller (2011), Is Self-Employment Always a Bad Experience?, Journal of Business Venturing 26(5), 572-588.

Grimpe, Christoph and Ulrich Kaiser (2010), Balancing Internal and External Knowledge Acquisition: The Gains and Pains of R&D Outsourcing, Journal of Management Studies 47(8), 1483-1509.

Kaiser, Ulrich and Julian Wright (2009), Price structure in two-sided markets: Evidence from the magazine industry, International Journal of Industrial Organization 24(1), 1-28.

Kaiser, Ulrich and M. Song (2009), Do media consumers really dislike advertising? An empirical assessment of the role of advertising in print media markets, International Journal of Industrial Organization 27(2), 292-301.

Kaiser, Ulrich (2009), Patents and Profit Rates, Economics Letters Vol 104, No. 2, 79-80.

Kaiser, Ulrich and Joachim Wagner (2008), Neue Möglichkeiten zur Nutzung vertraulicher amtlicher Personen- und Firmendaten, Perspektiven der Wirtschaftspolitik 9(3), 329-349.

Kaiser, Ulrich and H. C. Kongsted (2008), True versus spurious state dependence in firm performance: The case of West German exports, Empirical Economics 35, 207-228.

Bertschek, Irene, Helmut Fryges and Ulrich Kaiser (2006), B2B or Not to Be: Does B2B E-Commerce Increase Labour Productivity?, International Journal of the Economics of Business Vol. 13, No. 3, 387-405.

Kaiser, Ulrich (2006), Private R&D and Public R&D subsidies: Microeconometric Evidence from Denmark, Nationaløkonomisk Tidskrift/Danish Journal of Economics 144(1), 1-17.

Kaiser, Ulrich (2006), Magazines and their Companion Websites: Competing Outlet Channels?, Review of Marketing Science 4(3).

Kaiser, Ulrich and Julian Wright (2006), Price structure in two-sided markets: Evidence from the magazine industry, International Journal of Industrial Organization 24(1), 1-28.

Kaiser, Ulrich (2005), Strategic Complementarities Between Different Types of ICT-expenditures, Problems and Perspectives in Management 3(1), 72-81.

Kaiser, Ulrich (2005), A Microeconometric Note on Product Innovation and Product Innovation Advertising, Economics of Innovation and New Technology 14(7), 573-582.

Nguyen Van, P., François Laisney and Ulrich Kaiser (2004), The performance of German firms in the business-related service sectors : a dynamic analysis, Journal of Business and Economic Statistics 22 (3), 274-295.

Bertschek, Irene and Ulrich Kaiser (2004), Productivity Effects of Organizational Change: Microeconometric Evidence, Management Science Vol.50, No.3, 394-404.

Kaiser, Ulrich and Joachim Henkel (2003), The Impact of Skill Structure, Training and Firm Size on Firms’ IT-Ousourcing Activities, Zeitschrift für Betriebswirtschaft 4/2003, 137-163.

Kaiser, Ulrich (2002), An Empirical Test of Models Explaining Research Expenditures and Research Cooperation, International Journal of Industrial Organization 20(6), 747-774.

Kaiser, Ulrich (2002), R&D with Spillovers and Endogenous Absorptive Capacity, Journal of Institutional and Theoretical Economics 158(2), 286-303.

Kaiser, Ulrich (2002), Measuring Knowledge Spillovers in Manufacturing and Services: An Empirical Assessment of Alternative Approaches, Research Policy 31(1), 129-149.

Kaiser, Ulrich (2001), The Impact of Foreign Competition and New Technologies on the Demand for Heterogeneous Labor: Empirical Evidence from the German Business-Related Services Sector, Review of Industrial Organization 19(1), 109-120.

Kaiser, Ulrich and Friedhelm Pfeiffer (2001), Collective Wage Agreements and Firms' Employment Policies, LABOUR: Review of Labour Economics and Industrial Relations 10 (3), 319-341.

Kaiser, Ulrich (2001), The Impact of New Technologies on the Demand for Heterogenous Labor: Empirical Evidence from the German Business-Related Services Sector, Review of Industrial Organization 19 (1), 109-120.

Kaiser, Ulrich and Katrin Schmelting (2000), On the lead/lag-relationship between manufacturing and servics in the business cycle, ifo Studien 46(2), 161-176.

Kaiser, Ulrich (2000), New Technologies and the Demand for Heterogeneous Labor: Firm-level Evidence for German Business-related Services, Economics of Innovation and New Technology 9(5), 465-484.

Kaiser, Ulrich (2000), A Note on the Calculation of Firm-Specific and Skill-Specific Labor Cost from Firm-Level Data, Journal of Economics and Statistics (Jahrbücher für Nationalökonomie und Statistik) 220/5, 541-551.

Kaiser, Ulrich (1998), Die Wirkung wirtschaftspolitischer Ereignisse auf Erwartungen über den Starttermin der Europäischen Währungsunion, ifo Studien 2/1998, 103-120.

Kaiser, Ulrich and Claudia Stirböck (1999), The Impact of the Introduction of the Euro on firms expectations concerning export behavior, product innovation and foreign competition, Intereconomics 34(3) , 107-115.

Kaiser, Ulrich (1999), Die ZEW/Creditreform Konjunkturumfrage bei unternehmensnahen Dienstleistern, Allgemeines Statistisches Archiv , 447-451.

Kaiser, Ulrich (2002), Innovation, Employment, and Firm Performance in the German Service Sector, Vol. 16, Physica-Verlag , Heidelberg/New York.

Bertschek, Irene and Ulrich Kaiser (2002), IKT-Einsatz, Arbeitsplatzorganisation und Produktivität: Empirische Evidenz für unternehmensnahe Dienstleister, in: Lutz Bellmann, Arnd Kölling Beiträge zur Arbeitsmarkt- und Berufsforschung (BeitrAB), Vol. 257 Nürnberg, 85-97

Kaiser, Ulrich and Andrea Szczesny (2002), Logit- und Probit-Modelle für Kreditrisiken, in: Michael Schröder 1, Schaeffer Poeschel , Stuttgart,

Bertschek, Irene and Ulrich Kaiser (2001), Produktivitätseffekte organisatorischer Veränderungen, in: U. Backes-Gellner, M. Kräkel, J. Sadowski, J. Mure Köln-Bonner Kolloquium zur Personalökonomie, Rainer Hampp Verlag , München, Mering, 73-85

Kaiser, Ulrich and Andrea Szczesny (2001), Einfache ökonometrische Modelle für die Kreditrisikomessung, in: Nomos Verlagsgesellschaft , Baden-Baden,

Kaiser, Ulrich and Andrea Szczesny (2000), Mikroökonomische Verfahren zur Messung von Kreditrisiken, in: A. Szczesny Nomos Verlagsgesellschaft , Baden-Baden,

Kaiser, Ulrich and Friedhelm Pfeiffer (2000), Tarifverträge und Beschäftigungspolitik in Dienstleistungsunternehmen, in: Uschi Backes-Gellner, Matthias Kräkel, Bernd Schauenberger, Günter Steiner Rainer Hampp Verlag , Düsseldorf, 233-256

Kaiser, Ulrich and Johan M. Kuhn (2020), The Value of Publicly Available, Textual and Non-textual Information For Startup Performance Prediction, ZEW Discussion Paper No. 20-012, Mannheim

Kaiser, Ulrich and Susan J. Mendez (2015), How Do Drug Prices Respond to a Change from External to Internal Reference Pricing? Evidence from a Danish Regulatory Reform, ZEW Discussion Paper No. 15-004, Mannheim

Kaiser, Ulrich, Hans Christian Kongsted and Thomas Roende (2014), Does the Mobility of R&D Labor Increase Innovation?, ZEW Discussion Paper No. 14-115, Mannheim , published in : Journal of Economic Behavior & Organization

Kaiser, Ulrich and Bettina Müller (2013), Team Heterogeneity in Startups and its Development over Time, ZEW Discussion Paper No. 13-058, Mannheim

Chandra, Ambarish and Ulrich Kaiser (2010), Targeted Advertising in Magazine Markets, ZEW Discussion Paper No. 10-063, Mannheim

Kaiser, Ulrich, Susan J. Mendez and Thomas Roende (2010), Regulation of Pharmaceutical Prices: Evidence from a Reference Price Reform in Denmark, ZEW Discussion Paper No. 10-062, Mannheim , published in : Journal of Health Economics

Grimpe, Christoph and Ulrich Kaiser (2008), Gains and Pains from Contract Research: A Transaction and Firm-level Perspective, ZEW Discussion Paper No. 08-002, Mannheim

Kaiser, Ulrich and Joachim Wagner (2007), Neue Möglichkeiten zur Nutzung vertraulicher amtlicher Personen- und Firmendaten, Lüneburg.

Kaiser, Ulrich and Wolfgang Sofka (2006), The Pulse of Liability of Foreignness Dynamic Legitimacy and Experience Effects in the German Car Market, ZEW Discussion Paper No. 06-070, Mannheim

Dewenter, Ralf and Ulrich Kaiser (2005), Anmerkungen zur ökonomischen Bewertung von Fusionen auf dem Printmedienmarkt, ZEW Discussion Paper No. 05-92, Mannheim

Kaiser, Ulrich (2005), Is a Newspaper's Companion Website a Competing Outlet Channel for the Print Version?, ZEW Discussion Paper No. 05-78, Mannheim

Kaiser, Ulrich, Georg Licht, Thomas Rønde and Cédric Schneider (2005), Patenting Activity in Denmark, Copenhagen, dk.

Kaiser, Ulrich, Georg Licht, Thomas Rønde and Cédric Schneider (2005), Patenting Activity in Denmark, CEBR Discussion Papers , Copenhagen, dk.

Kaiser, Ulrich and Hans Christian Kongsted (2005), Do Magazines’ “Companion Websites” Cannibalize the Demand for the Print Version?, ZEW Discussion Paper No. 05-49, Mannheim

Kaiser, Ulrich and Christian Kongsted (2004), True Versus Spurious State Dependence in Firm Performance: The Case of West German Exports, ZEW Discussion Paper No. 04-81, Mannheim , published in : Empirical Economics

Bertschek, Irene, Helmut Fryges and Ulrich Kaiser (2004), B2B or Not to Be: Does B2B E-Commerce Increase Labour Productivity?, ZEW Discussion Paper No. 04-45, Mannheim

Kaiser, Ulrich and Julian Wright (2004), Price Structure in Two-sided Markets: Evidence from the Magazine Industry?, ZEW Discussion Paper No. 04-80, Mannheim

Kaiser, Ulrich (2003), Strategic Complementarities Between Different Types of ICT–expenditures, ZEW Discussion Paper No. 03-46, Mannheim

Kaiser, Ulrich and A. Szczesny (2003), Einfache ökonometrische Verfahren für die Kreditrisikomessung: Logit- und Probitmodelle,

Kaiser, Ulrich (2002), Optimal Cover Prices and the Effects of Website Provision on Advertising and Magazine Demand, ZEW Discussion Paper No. 02-54, Mannheim

Kaiser, Ulrich and Joachim Henkel (2002), Fremdvergabe von IT-Dienstleistungen aus, ZEW Discussion Paper No. 02-11, Mannheim

Kaiser, Ulrich (2002), A Note on Pricing and Efficiency in Print Media Industries, ZEW Discussion Paper No. 02-33, Mannheim

Kaiser, Ulrich (2001), A Simple Game-theoretic Framework for studying R&D expenditures and R&D Cooperation, ZEW Discussion Paper No. 01-22, Mannheim , published in : Journal of Institutional and Theoretical Economics

Kaiser, Ulrich (2001), The Effects of Website Provision on the Demand for German Women’s Magazines, ZEW Discussion Paper No. 01-69, Mannheim

Bertschek, Irene and Ulrich Kaiser (2001), Productivity Effects of Organizational Change: Microeconometric Evidence, ZEW Discussion Paper No. 01-32, Mannheim

Kaiser, Ulrich (2001), Differences in Response Patterns in a Mixed Mode - Online/Paper & Pencil Business Survey, ZEW Discussion Paper No. 01-50, Mannheim

Kaiser, Ulrich (2001), Moving In and Out of Financial Distress: Evidence for Newly Founded Service Sector Firms, ZEW Discussion Paper No. 01-09, Mannheim

Kaiser, Ulrich (2001), Product Innovation and Product Innovation Marketing: Theory and Microeconometric Evidence, ZEW Discussion Paper No. 01-31, Mannheim , published in : Economics of Innovation and New Technology

Kaiser, Ulrich (2001), The Effects of Website Provision on the Demand for German Women's Magazines, NBER Working Papers , Cambridge (Mass.).

Kaiser, Ulrich (2000), A Note on the Calculation of Firm-specific and Skill-specific Labor Costs from Firm-Ievel Data, ZEW Discussion Paper No. 00-08, Mannheim

Kaiser, Ulrich (2000), Research Cooperation and Research Expenditures, ZEW Discussion Paper No. 00-25, Mannheim , published in : International Journal of Industrial Organization

Kaiser, Ulrich and Friedhelm Pfeiffer (2000), Tarifverträge und Beschäftigungspolitik in Dienstleistungsunternehmen, ZEW Discussion Paper No. 00-34, Mannheim

Kaiser, Ulrich and Friedhelm Pfeiffer (2000), Collective Wage Agreements and Adjustments in German Services Firms, ZEW Discussion Paper No. 00-33, Mannheim

Kaiser, Ulrich and A. Szczesny (2000), Einfache ökonometrische Verfahren für die Kreditrisikomessung: Verweildauermodelle, University of Frankfurt Working Paper Series Finance & Accounting , Frankfurt.

Kaiser, Ulrich and Alexandra Spitz-Oener (2000), Quantification of Qualitative Data Using Ordered Probit Models with an Application to a Business Survey in the German Service Sector, ZEW Discussion Paper No. 00-58, Mannheim

Kaiser, Ulrich, François Laisney and P. Nguyen Van (2000), The Performance of German Firms in the Business-Related Service Sectors, ZEW Discussion Paper No. 00-32, Mannheim

Kaiser, Ulrich and Winfried Pohlmeier (2000), Efficient Bargaining in the Service Sector, Center of Finance and Econometrics discussion paper , Konstanz.

Kaiser, Ulrich, Markus Kreuter and Hiltrud Niggemann (2000), The ZEW/Creditreform Business Survey in the Business-related Services Sektor: Sampling Frame, Stratification, Expansion and Results, ZEW Discussion Paper No. 00-22, Mannheim

Kaiser, Ulrich (1999), New technologies and the demand for heterogeneous labor: Firm-level evidence for the German business-related services sector, ZEW Discussion Paper No. 99-07, Mannheim , published in : Economics of Innovation and New Technology

Kaiser, Ulrich (1999), Measuring Knowledge Spillovers in Manufacturing and Services: An Empirical Assessment of Alternative Approaches, ZEW Discussion Paper No. 99-62, Mannheim , published in : Research Policy

Kaiser, Ulrich and Katrin Schmelting (1999), Do Business-related Services Really Lag Behind Manufacturing Industries in the Business Cycle?, ZEW Discussion Paper No. 99-34, Mannheim

Kaiser, Ulrich and Herbert Buscher (1999), The service Sentiment Indicator-A business Climate Indicator for the German business-related services sector, Center of Finance and Econometrics discussion paper .

Kaiser, Ulrich and Georg Licht (1998), R&D cooperation and R&D intensity: Theory and Micro-Econometric Evidence for Germany, ZEW Discussion Paper No. 98-32, Mannheim

Kaiser, Ulrich and Herbert Buscher (1998), Der Service Sentiment Indicator - ein Konjunkturklimaindikator für den Wirtschaftszweig unternehmensnahe Dienstleistungen, ZEW-Dokumentation No. 98-04, Mannheim

Kaiser, Ulrich (1997), The determinates of BUND-future price changes: An ordered probit anlysis using DTB and LIFE-data, ZEW Discussion Paper No. 97-09, Mannheim

ZEW-Wachstums- und Konjunkturanalysen Nr. 3 (September) - 1999

ZEW-Wachstums- und Konjunkturanalysen Nr. 2 (Mai) - 1999

ZEW-Wachstums- und Konjunkturanalysen Nr. 2 (November) - 1998