Dietmar Harhoff

The Effects of Entrepreneurship Education (2009)

Weber, Richard, Graevenitz, Georg Von, Harhoff, Dietmar

Entrepreneurship education ranks highly on policy agendas in Europe and the US, but little research is available to assess its impacts. In this context it is of primary importance to understand...

How to measure patent thickets – a novel approach (2009)

Graevenitz, Georg Von, Wagner, Stefan, Harhoff, Dietmar

The existing literature identifies patent thickets indirectly. In this paper we propose a novel measure based on patent citations which allows us to measure the density of patent thickets directly....

Languages, Fees and the International Scope of Patenting (2009)

Harhoff, Dietmar, Hoisl, Karin

This paper analyzes firms’ choices regarding the geographic scope of patent protection within the European patent system. We develop an econometric model at the patent level to quantify the impact...

To Be Financed or Not … - The Role of Patents for Venture Capital Financing (2009)

Haeussler, Carolin, Harhoff, Dietmar, Mueller, Elisabeth

This paper investigates how patent applications and grants held by new ventures improve their ability to attract venture capital (VC) financing. We argue that investors are faced with considerable...

Venture Capitalists' Evaluations of Start-up Teams: Trade-offs, Knock-out Criteria, and the Impact of VC Experience (2008)

Franke, Nikolaus, Gruber, Marc, Harhoff, Dietmar, Henkel, Joachim

The start-up team plays a key role in venture capitalists' evaluations of venture proposals. Our findings go beyond existing research, first by providing a detailed exploration of VCs' team...

Champions of Revealing – The Role of Open Source Developers in Commercial Firms (2008)

Joachim Henkel, Eric Brousseau, Linus Dahl, Marc Gruber, Dietmar Harhoff, Simone Käs, ...

The link between firms engaging in open source software (OSS) development and the OSS community is established by individual developers. This linkage might entail a principalagent issue due to the...

How (2007)

Dietmar Harhoff, Joachim Henkel

Profiting from voluntary information spillovers:

Investment, R&D and Financial Constraints in Britain and Germany (2007)

Dietmar Harhoff, John Van Reenen, Stephen Bond, Stephen Bond, Dietmar Harho Y

This paper tests for the importance of cash ‡ow on investment in …xed capital and R&D using …rm-level panel data in two countries. For German …rms, cash ‡ow is not informative in simple...

ABSTRACT Citation Frequency and the Value of Patented Innovation (2007)

Wissenschaftszentrum Berlin, Dietmar Harhoff, Dietmar Harhoff, Dietmar Harhoff, Francis Narin, Francis Narin, ...

Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A...

Patent Validation at the Country Level - The Role of Fees and Translation costs (2007)

Harhoff, Dietmar, Hoisl, Karin, Reichl, Bettina

One feature of the European patent system that is heavily criticized nowadays is related to its complex fragmentation and the induced cost burden for applicants. Once a patent is granted by the EPO,...

Modeling the Duration of Patent Examination at the European Patent Office (2006)

Harhoff, Dietmar, Wagner, Stefan

We analyze the duration of the patent examination process at the European Patent Office (EPO). Our data contain information related to the patent’s economic and technical relevance, EPO capacity...

Everything you Always Wanted to Know About Inventors (But Never Asked): Evidence from the PatVal-EU Survey (2006)

Harhoff, Dietmar, Hoisl, Karin

Based on a survey of the inventors of 9,017 European patented inventions, this paper provides new information about the characteristics of European inventors, the sources of their knowledge, the...

Institutionalized Incentives for Ingenuity – Patent Value and the German Employees’ Inventions Act (2006)

Harhoff, Dietmar, Hoisl, Karin

Germany is one of few countries in which the monetary compensation for inventors is not only determined by negotiations between employer and employee-inventor, but also by relatively precise legal...

What you are is what you like—similarity biases in venture capitalists' evaluations of start-up teams (2006)

Franke, Nikolaus, Gruber, Marc, Harhoff, Dietmar, Henkel, Joachim

This paper extends recent research studying biases in venture capitalist's decision making. We contribute to this literature by analyzing biases arising from similarities between a venture capitalist...

EXECUTIVE SUMMARY.............................................................................................................5 (2006)

Dietmar Harhoff

Intellectual property rights in Europe – where do we stand and where should we go? This paper is a contribution to the project Globalisation Challenges for Europe and Finland organised by the...

Exploring the Tail of Patented Invention Value Distributions (2004)

Harhoff, Dietmar, Scherer, Frederic M., Vopel, Katrin

We explore the tail of patented invention value distributions by using value estimates obtained directly from patent holders. The paper focuses on those full-term German patents of the application...

Citation Frequency and the Value of Patented Innovation (2004)

Harhoff, Dietmar, Narin, Francis, Scherer, Frederic M., Vopel, Katrin

Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A...

Innovationsanreize in einem strukturellen Oligopolmodel (2004)

Harhoff, Dietmar

In diesem Beitrag wird ein Oligopolmodell der Innovationsaktivität entwickelt und mit Daten aus dem Mannheimer Innovationspanel geschätzt. Das Modell erlaubt es, bei der empirischen Umsetzung auf...

Lending relationships in Germany - Empirical evidence from survey data (2004)

Harhoff, Dietmar, Körting, Timm

We examine empirically the role of lending relationships in determining the costs and collateral requirements for external funds. The data originate from a recently concluded survey of small and...

Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik: Rückblick und Bestandsaufnahme (2004)

Fier, Andreas, Harhoff, Dietmar

In Deutschland beanspruchen gleich zwei Ressorts, das Bundesministerium für Bildung und Forschung (BMBF) sowie das Bundesministerium für Wirtschaft und Technologie (BMWi) die Zuständigkeit für...

Corporate R&D and productivity in Germany and the United Kingdom (2003)

Bond, Stephen, Harhoff, Dietmar, Van Reenen, John

This paper analyzes differences in R&D spending and in the impact of R&D on productivity between German and UK firms. We confirm that German firms spend significantly larger amounts on R&D than their...

Investment, R&D and financial constraints in Britain and Germany (2003)

Bond, Stephen, Harhoff, Dietmar, Van Reenen, John

This paper tests for the importance of cash flow on investment in fixed capital and R&D using firm-level panel data in two countries between 1985 and 1994. For German firms, cash flow is not...

Corporate R&D and productivity in Germany and the United Kingdom (2003)

Bond, Stephen, Harhoff, Dietmar, Van Reenen, John

This paper analyzes differences in R&D spending and in the impact of R&D on productivity between German and UK firms. We confirm that German firms spend significantly larger amounts on R&D than their...

Investment, R&D and financial constraints in Britain and Germany (2003)

Bond, Stephen, Harhoff, Dietmar, Van Reenen, John

This paper tests for the importance of cash flow on investment in fixed capital and R&D using firm-level panel data in two countries between 1985 and 1994. For German firms, cash flow is not...

Corporate R&D and productivity in Germany and the United Kingdom (2003)

Bond, Stephen, Harhoff, Dietmar, Van Reenen, John

This paper analyzes differences in R&D spending and in the impact of R&D on productivity between German and UK firms. We confirm that German firms spend significantly larger amounts on R&D than their...

Investment, R&D and financial constraints in Britain and Germany (2003)

Bond, Stephen, Harhoff, Dietmar, Van Reenen, John

This paper tests for the importance of cash flow on investment in fixed capital and R&D using firm-level panel data in two countries between 1985 and 1994. For German firms, cash flow is not...

Prospects for Improving U.S. Patent Quality via Post-grant Opposition (2003)

Hall, Bronwyn H., Graham, Stuart J. H., Harhoff, Dietmar, Mowery, David C.

The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with...

Prospects for Improving U.S. Patent Quality via Post-grant Opposition (2003)

Hall, Bronwyn H., Graham, Stuart J. H., Harhoff, Dietmar, Mowery, David C.

The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with...

Post-Issue Patent "Quality Control:" A Comparative Study of US Patent Re-examinations and European Patent Oppositions (2002)

Graham, Stuart J.H., Hall, Bronwyn H., Harhoff, Dietmar, Mowery , David C.

We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The...

Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions (2002)

Graham, Stuart J. H., Hall, Bronwyn H., Harhoff, Dietmar, Mowery , David C.

We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The...

Information, Decisions, and Productivity (2000)

Thomas N. Hubbard, Marianne Bertr, Dietmar Harhoff, Amil Petrin, Scott Stern, ...

This paper examines this empirically by looking at how on-board computer (OBC) adoption has affected capacity utilization in the trucking industry. Estimates using 1997 data indicate that loaded...

Strategic spillover production, vertical organization, and incentives for research and development (1991)

Harhoff, Dietmar

Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1991.

Strategic spillover production, vertical organization, and incentives for research and development / (1991)

Harhoff, Dietmar.

Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1991.

Strategic spillover production, vertical organization, and incentives for research and development (1991)

Harhoff, Dietmar

Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1991.

Modelling the duration of patent examination at the European Patent Office

Harhoff, Dietmar, Wagner, Stefan

We analyze the duration of patent examination at the European Patent Office (EPO). Our data contain variables that are correlates of the applicants’ and examiners’ assessments of a patent’s...

Can Post-Grant Reviews Improve Patent System Design? A Twin Study of US and European Patents

Graham, Stuart J.H., Harhoff, Dietmar

This paper assesses the impact of adopting a post-grant review institution in the US patent system by comparing the “opposition careers” of European Patent Office (EPO) equivalents of litigated...

Everything You Always Wanted to Know about Inventors (But Never Asked): Evidence from the PatVal-EU Survey

Brusoni, Stefano, Crespi, Gustavo, Francoz, Dominique, Gambardella, Alfonso, Garcia-Fontes, Walter, Geuna, Aldo, ...

Based on a survey of the inventors of 9,017 European patented inventions, this paper provides new information about the characteristics of European inventors, the sources of their knowledge, the...

Innovationsanreize in einem strukturellen Oligopolmodel

Harhoff, Dietmar

In diesem Beitrag wird ein Oligopolmodell der Innovationsaktivität entwickelt und mit Daten aus dem Mannheimer Innovationspanel geschätzt. Das Modell erlaubt es, bei der empirischen Umsetzung auf...

Citation Frequency and the Value of Patented Innovation

Harhoff, Dietmar, Narin, Francis, Scherer, Frederic M., Vopel, Katrin

Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A...

Exploring the Tail of Patented Invention Value Distributions

Harhoff, Dietmar, Scherer, Frederic M., Vopel, Katrin

We explore the tail of patented invention value distributions by using value estimates obtained directly from patent holders. The paper focuses on those full-term German patents of the application...

R&D Spillovers, Technological Proximity, And Productivity Growth – Evidence From German Panel Data

Dietmar Harhoff

This paper studies the effect of R&D spillovers on R&D spending and productivity in a sample of German manufacturing firms. Using panel estimation techniques, the results suggest that spillovers...

Patent Validation at the Country Level - The Role of Fees and Translation costs

Harhoff, Dietmar, Hoisl, Karin, Reichl, Bettina, Van Pottelsberghe, Bruno

One feature of the European patent system that is heavily criticized nowadays is related to its complex fragmentation and the induced cost burden for applicants. Once a patent is granted by the EPO,...

Corporate R&D and Productivity in Germany and the United Kingdom

Stephen Bond, Dietmar Harhoff, John Van Reenen

This paper analyzes differences in R&D spending and in the impact of R&D on productivity betweenGerman and UK firms. We confirm that German firms spend significantly larger amounts on R&D thantheir...

Investment, R&D and Financial Constraints in Britain and Germany

Stephen Bond, Dietmar Harhoff, John Van Reenen

This paper analyzes di¤erences in R&D spending and in the impact of R&Don productivity between German and UK ¿rms. We con¿rm that German ¿rmsspend signi¿cantly larger amounts on R&D than their...

Legal Form, Growth and Exit of West German Firms--Empirical Results for Manufacturing, Construction, Trade and Service Industries.

Harhoff, Dietmar, Stahl, Konrad, Woywode, Michael

Using a sample of approximately 11,000 West German firms from all major sectors of the economy, the authors test predictions on the relationship between legal form, firm survival, and employment...

Some simple economics of GM food

Dietmar Harhoff, Pierre Régibeau, Katharine Rockett

Public opposition to the genetic engineering of food crops (GM food) has not been based solely on concern about biological risks. Economic risks have been widely cited too: the fear that the world's...

Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik: Rückblick und Bestandsaufnahme

Andreas Fier, Dietmar Harhoff

In national innovation systems, universities are not only essential elements of the research infrastructure, but also main players in the field of education and further education. Their specific role...

Innovation, Entrepreneurship und Demographie

Dietmar Harhoff

The German economy is highly specialized in incremental innovations. A number of high-technology industries have established themselves in Germany only slowly over the last decades. Innovation policy...

Innovation, Entrepreneurship und Demographie

Dietmar Harhoff

The German economy is highly specialized in incremental innovations. A number of high-technology industries have established themselves in Germany only slowly over the last decades. Innovation policy...

Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions

Bronwyn H. Hall, Dietmar Harhoff, David C. Mowery

We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re- examinations on corresponding patents issued in the United States. The...

Patent Validation at the Country Level - The Role of Fees and Translation costs

Harhoff, Dietmar, Hoisl, Karin, Reichl, Bettina

One feature of the European patent system that is heavily criticized nowadays is related to its complex fragmentation and the induced cost burden for applicants. Once a patent is granted by the EPO,...

Everything you Always Wanted to Know About Inventors (But Never Asked): Evidence from the PatVal-EU Survey

Harhoff, Dietmar, Hoisl, Karin

Based on a survey of the inventors of 9,017 European patented inventions, this paper provides new information about the characteristics of European inventors, the sources of their knowledge, the...

Institutionalized Incentives for Ingenuity – Patent Value and the German Employees’ Inventions Act

Harhoff, Dietmar, Hoisl, Karin

Germany is one of few countries in which the monetary compensation for inventors is not only determined by negotiations between employer and employee-inventor, but also by relatively precise legal...

Modeling the Duration of Patent Examination at the European Patent Office

Harhoff, Dietmar, Wagner, Stefan

We analyze the duration of the patent examination process at the European Patent Office (EPO). Our data contain information related to the patent’s economic and technical relevance, EPO capacity...

Prospects for Improving U.S. Patent Quality via Post-grant Opposition

Bronwyn Hall, Stuart Graham, Dietmar Harhoff, David Mowery

The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with...

Legal Form, Growth and Exit of West German Firms - Empirical Results for Manufacturing, Construction, Trade and Service Industries

Harhoff, Dietmar, Stahl, Konrad O., Woywode, Michael

In this paper we discuss determinants of firm survival and growth in Germany within its pre-1989 boundaries. We argue that the legal form adopted by a firm is an important indicator of the riskiness...

Prospects for Improving U.S. Patent Quality via Post-grant Opposition

Bronwyn H. Hall, Dietmar Harhoff, David C. Mowery

The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with...

Investment, R&D and financial constraints in Britain and Germany

Steve Bond, Dietmar Harhoff, John Van Reenen

This paper tests for the importance of cash flow on investment in fixed capital and R&D using firm-level panel data in two countries between 1985 and 1994. For German firms, cash flow is not...

Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions

Stuart Graham, Bronwyn Hall, Dietmar Harhoff, David Mowery

We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The...

Is the German Apprenticeship System a Panacea for the US Labour Market?

Harhoff, Dietmar, Kane, Thomas J

Advocates of apprenticeship programmes often argue as if it is simply a matter of historical accident that such investment by US firms has been hindered. This paper explores the structure of...

Lending Relationships in Germany: Empirical Results from Survey Data

Harhoff, Dietmar, Körting, Timm

We examine empirically the role of lending relationships in determining the collateral requirements, costs and availability of external funding. The data originates from a recently concluded survey...

Determinants of Opposition Against EPO Patent Grants - The Case of Biotechnology and Pharmaceuticals

Harhoff, Dietmar, Reitzig, Markus

We analyse the determinants of opposition to biotechnology and pharmaceutical patents granted by the European Patent Office between 1978–96. Opposition can be considered an early form of patent...

Citation Frequency And The Value Of Patented Inventions

Dietmar Harhoff, Francis Narin, F. M. Scherer, Katrin Vopel

Through a survey, private economic value estimates were obtained on 964 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in...

Everything you Always Wanted to Know about Inventors (but Never Asked): Evidence from the PatVal-EU Survey

Paola Giuri, Myriam Mariani, Stefano Brusoni, Gustavo Crespi, Dominique Francoz, Alfonso Gambardella, ...

By drawing information from a survey of inventors of 9,017 European patents (PatVal-EU), this paper provides novel and detailed data about the characteristics of the European inventors, the sources...

Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik : Rückblick und Bestandsaufnahme

Fier, Andreas, Harhoff, Dietmar

In Deutschland beanspruchen gleich zwei Ressorts, das Bundesministerium für Bildung und Forschung (BMBF) sowie das Bundesministerium für Wirtschaft und Technologie (BMWi) die Zuständigkeit für...

Price Indexes for PC Database Software and the Value of Code Compatibility

Harhoff, Dietmar, Moch, Dietmar

Changing product quality poses a challenge for the computation of price indexes, in particular in technologically advanced industries. We assess the differences between traditional and...

Is the German apprenticeship system a panacea for the U.S. labor market?

Thomas J. Kane, Dietmar Harhoff

This paper explores the structure of incentives undergirding the German system of apprenticeship training. We first describe characteristics of the German labor market which may lead firms to accept...

Incidence and Growth of Patent Thickets - The Impact of Technological Opportunities and Complexity

Harhoff, Dietmar, Von Graevenitz, Georg, Wagner, Stefan

We investigate incidence and evolution of patent thickets. A theoretical model of patenting encompassing complex and discrete technologies is introduced. It is shown that decreased technological...

The Value of European Patents

Gambardella, Alfonso, Harhoff, Dietmar, Verspagen, Bart

This paper employs data from an extensive European survey to produce one of the first systematic assessments of the private economic value of patents. The estimated mean of our patent value...

Uncertainty and the size distribution of rewards from innovation

F. M. Scherer, Dietmar Harhoff, J, Rg Kukies

Previous research has shown that the distribution of profit outcomes from technological innovations is highly skew. This paper builds upon those detailed findings to ask: what stochastic processes...

Analysing European and International Patent Citations: A Set of EPO Patent Database Building Blocks

Colin Webb, Hélène Dernis, Dietmar Harhoff, Karin Hoisl

This paper presents a preliminary set of European and international citation data tables designed to enable researchers to become familiar with the subject and undertake a range of analyses. It...

Incentives to Innovate: A Structural Model of Oligopoly (available only in German!)

Dietmar Harhoff

The paper develops an oligopoly model of innovation and applies it to data from the Mannheim Innovation Panel. The model circumvents the need for market share and price elasticity data which...

Citation Frequency and the Value of Patented Innovation

Dietmar Harhoff, Francis Narin, Frederic M. Scherer, Katrin Vopel

Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A...

Exploring the Tail of Patented Invention Value Distributions

Dietmar Harhoff, Frederic M. Scherer, Katrin Vopel

Patent renewal studies reveal a highly rightward-skewed distribution of patent values. Our approach elicits valuations approximating those of the patented invention. This paper focuses on the...

Are There Financing Constraints for R&D and Investment in German Manufacturing Firms?

Dietmar Harhoff

Using a newly constructed panel dataset of German enterprises, I estimate R&D and capital investment equations for the time period from 1990 to 1994. Simple accelerator specifications indicate...

Zur Analyse von Gründungen und Schließungen auf Grundlage der Beschäftigtenstatistik (only available in German)

Lutz Bellmann, Dietmar Harhoff, Norbert Schulz

ZUSAMMENFASSUNG - Diese Arbeit quantifiziert Verzerrungen, die sich bei der Verwendung von Daten aus der IAB-Beschäftigtenstatistik in Analysen von Betriebsgründungen und -schließungen ergeben...

Vertical Organization, Technology Flows and R&D Incentives: An Exploratory Analysis

Dietmar Harhoff

Despite its importance, the impact of vertical organization on innovation incentives has not been investigated in depth. This paper develops a number of testable hypotheses and then provides a first...

Lending Relationships in Germany: Empirical Results from Survey Data

Dietmar Harhoff, Timm Körting

We examine empirically the role of lending relationships in determining the collateral requirements, costs and availability of external funding. The data originate from a recently concluded survey of...

Financing Apprenticeship Training: Evidence from Germany

Dietmar Harhoff, Thomas J. Kane

Much of the current discussion promoting apprenticeship programs in the U.S. proceeds as if it is simply a matter of historical accident or lack of imagination which has hindered human capital...

Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions

Bronwyn H. Hall, Dietmar Harhoff, David C. Mowery

We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The...

Prospects for Improving U.S. Patent Quality via Post-grant Opposition

Bronwyn H. Hall, Dietmar Harhoff

The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with...

Can Post-Grant Reviews Improve Patent System Design? A Twin Study of US and European Patents

Dietmar Harhoff

This paper assesses the impact of adopting a post-grant review institution in the US patent system by comparing the “opposition careers” of European Patent Office (EPO) equivalents of litigated...

Modeling the Duration of Patent Examination at the European Patent Office

Dietmar Harhoff, Stefan Wagner

We analyze the duration of the patent examination process at the European Patent Office (EPO). Our data contain information related to the patent’s economic and technical relevance, EPO capacity...

To Be Financed or Not … - The Role of Patents for Venture Capital Financing

Haeussler, Carolin, Harhoff, Dietmar, Mueller, Elisabeth

This paper investigates how patent applications and grants held by new ventures improve their ability to attract venture capital (VC) financing. We argue that investors are faced with considerable...

To Be Financed or Not...- The Role of Patents for Venture Capital Financing

Carolin Haeussler, Dietmar Harhoff, Elisabeth Müller

This paper investigates how patent applications and grants held by new ventures improve their ability to attract venture capital (VC) financing. We argue that investors are faced with considerable...

To Be Financed or Not… - The Role of Patents for Venture Capital Financing

Haeussler, Carolin, Harhoff, Dietmar, Mueller, Elisabeth

This paper investigates how patent applications and grants held by new ventures improve their ability to attract venture capital (VC) financing. We argue that investors are faced with considerable...

Languages, Fees and the International Scope of Patenting

Dietmar Harhoff, Karin Hoisl

This paper analyzes firms’ choices regarding the geographic scope of patent protection within the European patent system. We develop an econometric model at the patent level to quantify the impact...

Languages, Fees and the International Scope of Patenting

Harhoff, Dietmar, Hoisl, Karin

This paper analyzes firms’ choices regarding the geographic scope of patent protection within the European patent system. We develop an econometric model at the patent level to quantify the impact...

To Be Financed or Not? : The Role of Patents for Venture Capital Financing

Mueller, Elisabeth, Harhoff, Dietmar, Haeussler, Carolin

This paper investigates how patent applications and grants held by new ventures improve their ability to attract venture capital (VC) financing. We argue that investors are faced with considerable...

Languages, Fees and the International Scope of Patenting

Harhoff, Dietmar, Hoisl, Karin

This paper analyzes firms’ choices regarding the geographic scope of patent protection within the European patent system. We develop an econometric model at the patent level to quantify the impact...

Langfristiges Wachstum durch Forschung und Innovation

Ann-Kristin Achleitner, Jutta Allmendinger, Hariolf Grupp, Dietmar Harhoff, Patrick Llerena, Joachim Luther

Dietmar Harhoff, LMU und Expertenkommission Forschung und Innovation, sieht Handlungsbedarf bei der Innovationsfinanzierung und im Wissens- und Technologietransfer. Da Deutschland zu sehr auf...

How to measure patent thickets – a novel approach

Graevenitz, Georg Von, Wagner, Stefan, Harhoff, Dietmar

The existing literature identifies patent thickets indirectly. In this paper we propose a novel measure based on patent citations which allows us to measure the density of patent thickets directly....

The Effects of Entrepreneurship Education

Weber, Richard, Graevenitz, Georg Von, Harhoff, Dietmar

Entrepreneurship education ranks highly on policy agendas in Europe and the US, but little research is available to assess its impacts. In this context it is of primary importance to understand...

The Effects of Entrepreneurship Education

Richard Weber, Georg Von Graevenitz, Dietmar Harhoff

Entrepreneurship education ranks highly on policy agendas in Europe and the US, but little research is available to assess its impacts. In this context it is of primary importance to understand...