Research papers and presentations
Below is a complete list of my publications and working papers by topic. Many of these papers and handouts are downloadable in PDF format. You will need Acrobat reader to view them. Papers that have been published are not downloadable due to copyright restrictions. If you cite these paper in preliminary WP form, pleae check back to get the correct published citation before publication.
New: some of these papers are now available in Kindle™ editions, comments welcome. It appears that the converter is not able to deal with more than simple equations and tables, unfortunately.
Patents and Patent Policy
Panel Data Econometrics
Market Value of Innovation
Public-Private Innovation Interface
R&D Investment and Productivity; R&D and Innovation Policy
Mergers, Corporate Restructuring and R&D
Innovation, IP Choice, and Firm Performance, presentation to the NIESR productivity workshop, July 2014, London.
Trade secrets vs patents, presentation to the OECD Workshop on Society’s Gain from Intellectual Property Exchange, May 2014, Paris.
Policy for Innovation: Insights from Economic Research, presentation to GIZ-Beijing, October 2013, and the Innovation Research Forum, January 2014, Caguas, Puerto Rico.
The Impact of Foreign Pharmaceutical Patents on Innovation in Chile, presentation to the MEIDE conference, November 2013, Santiago, Chile, and WIPO, December 2013, Geneva Switzerland.
Technology entry in the presence of patent thickets, keynote for the TILEC Workshop on Innovation and the Patent System, Tilburg, Netherlands, 20-21 June 2013; presentation to the NBER Summer Institute, July 2013.
Appropriability mechanisms, innovation and productivity: Evidence from the UK, with Vania Sena. Paper prepared for the CDM conference, Paris, Oct. 8-9, 2014. NBER Working Paper No. ____ and UNU-MERIT Working Paper No. _____.
The choice between formal and informal intellectual property: A review, with Christian Helmers, Mark Rogers, and Vania Sena (2014), Journal of Economic Literature 52(2): 375–423.
Patents as Quality Signals? The Implications for Financing Constraints on R&D, with Dirk Czarnitzki (KU Leuven) and Hanna Hottenrott (DICE, Heine Universitaet, Dusseldorf), February 2014.
The use of intellectual property in Chile, with Maria Jose Abud, Carsten Fink, and Christian Helmers. INAPI-WIPO Report, Economic Research Working Paper No. 11, July 2013.
Patents and Patent Policy
Innovation in clean/green technology: Can patent commons help?, with Christian Helmers (Oxford University), March 2011 (revised 2012). Journal of Environmental Economics and Management, http://dx.doi.org/doi:10.1016/j.jeem.2012.12.008
Technology entry in the presence of patent thickets, with Christian Helmers, Georg von Graevenitz, and Chiara Rossaza-Bondibene, March 2013. UC Berkeley, University of Maastricht, NIESR, and NBER; U Carlos III and SERC, LSE; University of East Anglia and NIESR; NIESR.
The importance (or not) of patents to UK firms, with Christian Helmers, Mark Rogers, and Vania Sena, February 2012, revised August 2012. Oxford Economic Papers 65 (3): 603-629. http://dx.doi.org/doi:10.1093/oep/gpt012
A study of patent thickets, with Georg von Graevenitz, Christian Helmers, and Chiara Rosazza‐Bondibene, Final report to the UK Intellectual Property Office, October 2012.
Does patent protection help or hinder technology transfer, forthcoming in S. Ahn (ed.), Intellectual Property for Economic Development: Issues and Policy Implications, Edward Elgar, 2013.
The impact of joining the regional European Patent Convention system, with Christian Helmers. January 2012, revised July 2012.
Recent research on the economics of patents, with Dietmar Harhoff (Ludwig-Maximilians Universität München), Annual Review of Economics 2012, Vol. 4: 541-565. NBER Working Paper No. 17773. Kindle version.
Patents and the financing of innovation, presentation to the OECD Workshop on Patents, Paris, France, 10-11 May 2012.
The role of patent protection in (clean/green) technology transfer, with Christian Helmers (Oxford University), Santa Clara High Technology Law Journal 26 (2010): 487-532.
Patent protection and technology transfer – help or hindrance?, presentation to the KDI Conference on Intellectual Property for Economic Development: Issues and Policy Implications, Seoul, 18/19 February 2010, and the Santa Clara Computer and High Technology Law Journal Symposium on Clean Technology, Santa Clara, California, 29 January 2010.
use and value of IP rights, paper presented at the UK IP Ministerial Forum
on the Economic Value of Intellectual Property,
Some facts about business method and software patents at the USPTO and the EPO, presentation to the George Wahington University Law School Conference on Patents and Entrepreneurship in Business and Information Technologies, Washington, DC, June 2009
Testimony to the Federal Trade Commission Hearings on Markets for Intellectual Property and Technology, May 4, 2009, Berkeley Center for Law and Technology, Berkeley, California.
Business and financial method patents, innovation, and policy (2009), Scottish Journal of Political Economy 56(4): 443-473. NBER Working Paper version (April 2009).
patent strategy and patent reform, presentation to the TILEC Conference on
patenting in Europe(2009), with Grid Thoma and Salvatore Torrisi, European Management Review 6: 45-63.
Paper presented at the CEPR-Bank of Finland Conference on
Innovation and Intellectual Property in Financial Services,
Strategic use of patents, lecture at the European Summer School in Industrial Dynamics (ESSID),
statement, Druid debate on the use of patent data, 25th
Anniversary DRUID Conference,
Patents and Patent Policy, Revised December 2007, draft for Oxford Review of Economic Policy.
Empirical Analysis of Patent Litigation in the Semiconductor Industry, with
Rosemarie Ziedonis, paper presented to the AEA annual meeting,
Issues in and
Possible Reforms of the U. S. Patent System, presentation to the
Cooperative Symposium on 21st Century Innovation Systems for
Uncovering GPTs using Patent Data,
with Manuel Trajtenberg, in Antonelli, Foray, Hall, and Steinmueller, Festschrift
in Honor of Paul A. David, Edward Elgar, 2005. (Paper prepared for presentation
at a conference honoring Paul A. David, May 20-21, 2000,
Exploring the Patent Explosion, June 2004 revision of an invited lecture, ZEW Workshop on Empirical Economics of Innovation and Patenting, Mannheim, Germany, March 14/15, 2003, Journal of Technology Transfer 30 (2005): 35-48. Updated slides from presentations at UC Berkeley, Stanford, and EUI Florence, November 2004.
Post-Grant Patent Reviews - Design Choices
and Expected Impact, with Dietmar Harhoff, Berkeley Law and Technology
Review, forthcoming 2004. Slides
from presentation to the Conference on Patent Reform,
Prospects for Improving U.S. Patent
Quality via Post-Grant Opposition, with Stuart J. H. Graham, Dietmar Harhoff,
and David C. Mowery, paper prepared for the NBER Conference in Innovation
Policy and the Economy,
Intellectual Property Strategy in the Global Cosmetics Industry: A Soap Opera, with Dietmar Harhoff, slides from presentations to the NBER Summer Institute, a CEPR/WZB Conference, October 24/25, 2002, Berlin, and the CEPR/IFS conference on innovation and product market strategy, November 23/24, 2002, London.
Current Issues and Trends in the Economics
of Patents, slides from a lecture to the ESSID Summer School in Industrial
Testimony to the Federal Trade Commission/Department of Justice (Antitrust Division) Hearings on Competition and Intellectual Property Law in the Knowledge-Based Economy, February 26, 2002, Berkeley, California. Slides.
Patent Quality Control: A Comparison of U.S.
Patent Re-examinations and European Patent Opposition, with Stuart J. H.
Graham, Dietmar Harhoff, and David C. Mowery. NBER Working Paper No. 8807,
revised November 2002. [Slides from earlier
presentations to the Intellectual Property Seminar,
On Copyright and Patent Protection for Software
and Databases: A Tale of Two Worlds, presented at the ESF-IIASA-NSF Science
Policy Workshop on Digital Collaboration Technologies,
The Global Nature of IP
Protection: Discussion, in Intellectual
Property and Innovation in the Knowledge-Based Economy,
The Determinants of Patenting in the U.S. Semiconductor Industry, 1980-1994, with Rosemarie Ham Ziedonis. Rand Journal of Economics 32 (2001): 101-128.
Intellectual Property Protection
for Software and Databases, slides from presentation to the Conference on
Technology Policy and Innovation,
The Effects of Strengthening Patent Rights on Firms Engaged in Cumulative Innovation: Insights from the Semiconductor Industry, with Rose Marie Ham Ziedonis, in Libecap, Gary (ed.), Entrepreneurial Inputs and Outcomes: New Studies of Entrepreneurship in the United States, Vol. 13 of Advances in the Study of Entrepreneurship, Innovation, and Economic Growth, Amsterdam: Elsevier Science, 2001. Slides from NRC Conference on IPR, February 2000.
Fishing Out or Crowding Out?: An Analysis of
the Recent Decline in U.S. Patenting.
The Value of Patents as
Indicators of Inventive Activity, with Zvi Griliches and Ariel Pakes. In
Dasgupta and Stoneman (eds.), Economic Policy and Technological Performance,
Patents and R&D: Is There a Lag?, with Z. Griliches and J. A. Hausman. International Economic Review 27(1986): 265-283. NBER Working Paper No. 1454.
A Note on the Bias in the Herfindahl Based on Count Data, September 2000 (revised January 2005), Revue d'Economie Industrielle, No. 110, pp. 149-156. An earlier version was published in Jaffe, A. and M. Trajtenberg (eds.), Patents, Citations, and Innovation, MIT Press, 2002.
Testing for Unit Roots in Panel
Data: An Exploration Using Real and Simulated Data, with Jacques Mairesse.
NBER, UC Berkeley, and INSEE-CREST, in Andrews and Stock (eds.), Identification
and Inference for Econometric Models: A Festschrift in Honor of Thomas
Investment in France and the United States: An Exploration of What We have
Learned in Twenty Years?, with Jacques Mairesse and Benoit Mulkay.
Presented at the Twentieth Anniversary Panel Data Conference,
The Relationship Between Firm Size and Firm Growth in the U.S. Manufacturing Sector. Journal of Industrial Economics 35: 583-606 (1987). Unpublished appendices to this paper.
Wages, Schooling, and IQ of Brothers and Sisters: Do the Family Factors Differ? with John Bound and Zvi Griliches. International Economic Review 27: 77-105 (1986).
Econometric Models for Count Data with an Application to the Patents-R&D Relationship, with Jerry A. Hausman and Zvi Griliches. Econometrica 52 (July): 909-37 (1984).
Missing Data and
Self-Selection in Large Panels, with Zvi Griliches and Jerry A. Hausman. Annales
de l'INSEE 30-31, Avril-Sept. 1978. Reprinted in Griliches, Zvi (ed.), Practicing
A General Framework for the Time Series-Cross Section Estimation, Annales de l'INSEE 30-31, Avril-Sept. 1978, pp.177-202.
Estimation and Inference in Nonlinear Structural Models, with Ernst K. Berndt, Robert E. Hall, and Jerry A. Hausman. Annals of Economic and Social Measurement 1974: 653-65.
The Market Value of Patents and R&D: Evidence from European firms, with Grid Thoma, Univesity of Camerino and CESPRI, Bocconi University and Salvatore Torrisi, Bologna University and CESPRI, Bocconi University. October 2006, revised August 2007, NBER Working Paper No. 13426. VOX EU column, December 2007.
Measuring R&D depreciation for the National Income Accounts, slides from a presentation to the BEA, 13 December 2006.
Does the Market Value R&D Investment by European Firms? Evidence from a Panel of Manufacturing Firms in France, Germany, and Italy, with Raffaele Oriani, International Journal of Industrial Organization, forthcoming 2006. Revised version of paper presented at the DRUID Conference, Helsingor, June 12-14, 2003. NBER Working Paper No. 10408 (May 2005 version).
The Market Value of Knowledge Assets in U.S. and European Firms, with Dirk Czarnitzki and Raffaele Oriani, April 2005, forthcoming in D. Bosworth and E. Webster (eds.), The Management Of Intellectual Property, 2005.
Value of R&D: Theory and Empirics, slides from presentations at the
Conference in Memory of Tor Jakob Klette,
Value and Patent Citations, with Adam Jaffe and Manuel Trajtenberg, Rand
Journal of Economics 36 (2005): 16-38:
(revised version of Market Value and Patent Citations: A First Look, NBER Working Paper No. 7741 (June 2000), University of California Dept. of Economics Working Paper No. E01-304 (revised June 2001). Slides from a presentation at Oxford University, May 18, 2001.
Innovation and Market
Value, paper presented at the NIESR Conference on Competitiveness and
Market Value, Market Share, and Innovation,
with Katrin Vopel. NBER, the
The Value and Performance of U.S. Corporations, with Robert E. Hall. Brookings Papers on Economic Activity 1993 (1): 1-50.
The Stock Market's Valuation of Research and Development Investment During the 1980s. American Economic Review 83: 259-264 (1993).
The Value of Intangible Corporate Assets: An Empirical Study of the Components of Tobin's Q. IBER Working Paper No. 93-207 (January 1993).
R&D, Patents, and Market Value Revisited: Is There a Second (Technological Opportunity) Factor? with Zvi Griliches and Ariel Pakes. Economics of Innovation and New Technology 1: 183-202 (1991).
IP protection, confidentiality, and openness in science, presentation to the International Workshop on Private Sector – Academia Interactions, Sigtuna, Sweden, November 22-25, 2011.
The use of IP and open innovation in structuring knowledge relationships between firms. Slides from presentation to the Knowledge in Organizations Conference, Monte Verita, Ascona, Switzerland, June 2010.
Open innovation and intellectual property rights, short paper written for Japan Spotlight (January/February 2010 issue).
Issues in assessing the scientific and creative commons, presentation to the International Communia Conference on Public Domain in the Digital Age, Louvain-la-Neuve, Belgium, June 30, 2008.
firms participate in open source development?: a study using data from Debian,
presentation to the DIME-DRUID Fundamental,
Property and the Pursuit of Knowledge: IPR issues affecting scientific research, with Paul A. David, Introduction to a special issue of Research Policy, Volume 35, Issue 6, 2006. Reprint.
Proprietary vs. Public Domain Licensing of Software and Research Products, with Alfonso Gambardella, 2006, Research Policy 35(6), 875-892, NBER Working Paper No. w11120 (2005), reprinted in The Capitalization of Knowledge, Riccardo Viale and Henry Etkowitz (eds.), Edward Elgar Publishing.
Identifying Age, Cohort and Period Effects in Scientific Research Productivity: Discussion and Illustration Using Simulated and Actual Data on French Physicists, with Jacques Mairesse and Laure Turner (2007), Economics of Innovation and New Technology 16 (2): 159-177. [Paper presented at the Keith Pavitt Memorial Conference, SPRU, November 2003, revised June 2005.]
Incentives for Knowledge Production with
Many Producers, presentation to the European Commission/NSF/OECD Conference
on Networks of Knowledge: Research and Policy for the Knowledge-Based Economy,
University-Industry Research Partnerships in the
United States, in Contzen, Jean-Pierre, David Gibson, and Manuel V. Heitor
(eds.), Rethinking Science Systems and Innovation Policies, Proceedings
of the 6th International Conference on Technology Policy and Innovation, Purdue
University Press, 2004.
An earlier version was presented at the 6th International Conference on Technology Policy and Innovation,
University-Industry Partnerships and
Intellectual Property, paper presented to an NSF Workshop on Intellectual
Property Protection Mechanisms in Research Partnerships, Center for
International Science and Technology Policy,
Universities as Research Partners,
with Albert N. Link and John T. Scott, Review of Economics and Statistics,
An earlier version was presented at the Annual Meetings of the Industrial Organization Society and the American Economic Association, Boston, January 7-9, 2000, NBER Working Paper No. 7643 (March 2000). Zipped PDF of long version.
Barriers Inhibiting Industry from Partnering with Universities: Evidence from the Advanced Technology Program, with Albert N. Link and John T. Scott, Journal of Technology Transfer 26: 87-98 (2001).
Evidence on the impact of R&D and ICT investment on innovation and productivity in Italian firms, with Francesca Lotti and Jacques Mairesse (Economics of Innovation and New Technology, 2012). NBER Working Paper No. 18053 (November 2011). Slides from a presentation at Concord 2010, Seville, Spain, and Conference on R&D, Science, Innovation, and Productivity, Paris, France.
The Internationalization of R&D (2011), in A. Sydor (ed.), Global Value Chains: Impacts and Implications, Ottawa, Canada: Foreign Affairs and International Trade Canada, Government of Canada.
Measuring the returns to
R&D, with Jacques Mairesse and Pierre Mohnen, November 2009. Draft of
chapter prepared for the Elsevier
Handbook of the Economics of Innovation, B. H. Hall and
Returns to R&D: The Depreciation Problem, Annales d’Economie et de Statistique 79/80 (2005): 341-381. Also NBER Working Paper No. 13473
(September 2007), revised version of R&D, Productivity, and Market Value,
paper presented at the International Conference in memory of Zvi Griliches,
Paris, August 2003. slides from invited lecture
to the International Schumpeter Society Meeting in
Financing R&D and
innovation, with Josh Lerner, draft of chapter prepared for the Elsevier Handbook of the Economics of
Innovation, B. H. Hall and
The financing of innovative firms, European Investment Bank Papers, Vol. 14 (2009), No. 2, 8-28. Paper presented at the Annual Research Conference, Luxembourg, October 2009.
Pitfalls in estimating the returns to corporate R&D using accounting data, with Dominique Foray and Jacques Mairesse, October 2009 revision of a paper presented at the First European Conference on Knowledge for Growth, October 8-9, 2007, Seville, Spain.
Innovation and productivity in SMEs: Empirical evidence for Italy (2009), with Francesca Lotti and Jacques Mairesse, Small Business Economics 33: 13-33.
R&D and Financial Investors (November 2008), with Alessandro Grandi and Raffaele Oriani, Chapter 4 of V. Chiesa and F. Frattini, R&D evaluation and performance measurement, Cheltenham: Edward Elgar, pp. 143-165.
Policy for innovation:
insights from economic research, presentation to VINNOVA,
Employment, Innovation, and Productivity: New Evidence from Italian Microdata, with F. Lotti and J. Mairesse, Industrial and Corporate Change 17 (2008): 813-839. NBER Working Paper No. 13296.
the Impact of Technology Development Funds in Emerging Economies: Evidence from
Latin America, with Alessandro Maffioli, Inter-American Development Bank,
Washington, DC, December 2007, revised February 2008, NBER Working Paper No. 13835. Slides from the
presentation at GRIPS,
Research and Development, International Encyclopedia of the Social Sciences, 2nd edition (2008), edited by William A. Darity, pp. 199-201.
Empirical studies of innovation in the knowledge driven economy: An introduction, with J. Mairesse, Introduction to a special issue of Economics of Innovation and New Technology, Vol. 15, Issues 4/5, 2006. NBER Working Paper No. w12320.
The Financing of
Innovation, in Shane, S. (ed.), Blackwell
Handbook of Technology and Innovation Management,
Financing Private Sector
Investment in Research and Development, slides from presentation to the
United Nations INTECH University/European Union conference on financial
systems, corporate investment in innovation, and venture capital, November 7-8,
The Financing of Research and
Investment and R&D in France and the United States, with Benoit Mulkay and Jacques Mairesse. Herrmann, Heinz, and Rolf Strauch (editors), Investing Today for the World of Tomorrow, Springer Verlag, 2001.
Heart of Darkness: Public-Private Interactions Inside the R&D Black Box, with Paul A. David. Research Policy 29: 1165-1183 (2000).
Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence, with Paul A. David and Andrew A. Toole. Research Policy 29(4-5): 497-530 (2000).
How Effective are Fiscal Incentives for R&D? A Review of the Evidence, with John van Reenen. Research Policy 29(4-5): 449-470 (2000).
Does Cash Flow Cause
Investment and R&D: An Exploration Using Panel Data for French, Japanese,
and United States Scientific Firms, with Jacques Mairesse, Lee Branstetter,
and Bruno Crepon. In Audretsch, D., and A. R. Thurik (eds.), Innovation,
Industry Evolution, and Employment,
The Private and Social Returns to Research and Development: What Have We Learned? In Smith, Bruce L. R., and Claude E. Barfield (eds.), Technology, R&D, and the Economy, Washington, DC: The Brookings Institution and the American Enterprise Institute, 1996.
Estimating the Productivity of
Research and Development in French and United States Manufacturing Firms,
with Jacques Mairesse. In Bart van Ark and Karin Wagner (eds.), International
Productivity Differences, Measurement and Explanations,
Exploring the Relationship Between R&D and Productivity in French Manufacturing Firms, with Jacques Mairesse. Journal of Econometrics 65: 263-294 (1995).
The Role of Working Capital in the
Investment Process, with Hugo Kruiniker. NBER, the
Fiscal Policy towards R&D in the United States: Recent Experience, presentation to the OECD meeting on Fiscal Measures to Promote R&D, Paris, France, January 19, 1995.
R&D Tax Policy During the Eighties: Success or Failure? In Tax Policy and the Economy 7: 1-35 (1993). NBER Working Paper No. 4240.
Industrial Research During the 1980s: Did the Rate of Return Fall? Brookings Papers on Economic Activity Microeconomics 1993 (2): 289-344.
Firm-Level Investment with Liquidity
Constraints: What Can the Euler Equations Tell Us? NBER and the
Research and Development Investment at the Firm Level: Does the Source of Financing Matter? IBER Working Paper No. 92-194 (May 1992). NBER Working Paper No. 4096 (June 1992).
Research and Development as an Investment, with Fumio Hayashi. NBER Working Paper No. 2973 (May 1989) .
Who Does R&D and Who Patents?
with J. Bound, C. Cummins, Z. Griliches, and A. Jaffe. In Zvi Griliches (ed.), R&D,
Patents, and Productivity,
and Diffusion, October 2003. In Fagerberg, J., D. Mowery, and R. R. Nelson
(eds.), Handbook of Innovation,
Adoption of New Technology, with Beethika Khan. In Jones, Derek C., New Economy Handbook, Academic Press, 2003.
Redefining the Takeover Target: An Empirical Investigation Using Duration Models, with Constance Phelizon. UC Berkeley and Universite Paris I: Photocopied.
Mergers and R&D Revisited. Paper prepared for presentation at the NSF Symposium on Quasi-Experimental Methods, Econometrics Laboratory, UC Berkeley, August 3-7, 1999. (revised version of a paper presented at an NBER conference on mergers and productivity, January 1997 and a conference on The Influence of Financial Markets on Restructuring in Science Based Industries, Milano, May 21-22, 1999). New version July 12, 1999. Slides from presentation.
Corporate Restructuring and Investment Horizons. Business History Review 68 (Spring 1994): 110-143. NBER Working Paper No.
The Impact of Corporate Restructuring on Industrial Research and Development. Brookings Papers on Economic Activity 1990 (1): 85-136.
The Effect of Takeover
Activity on Corporate Research and Development. In Auerbach, Alan (ed.), The
Economic Effects of Takeover Activity,
Estimation of the Probability of Acquisition in an Equilibrium Setting. UC Berkeley Dept. of Economics Working Paper No. 8887 (August 1988).
Using patent data as indicators, keynote address to the 8th European Meeting on Applied Evolutionary Economics, Sophia Antipolis, France, 10-12 June 2013.
Innovation, patents, and productivity in firms, presentation to Industry Canada, April 2013 (not presented due to weather delays).
Innovation, IP choice, and firm performance, presentation to UC Berkeley Innovation Seminar, 6 March 2013.
Environmental change, patents, and development, presentation to SIMPATIC workshop on climate change, Bruegel Foundation, Brussels, Belgium, 4 December 2012.
Patents and the transfer of knowledge, presentation to the OECD Conference on Knowledge Networks and Markets, Paris, 26-27 November 2012.
Environmental change, patents, and development, presentation to the First IASC Conference on the Knowledge Commons, Louvain-la-Neuve, September 2012.
The impact of joining the regional European Patent Convention system, with Christian Helmers. Presentation to the Stanford IP Law Conference, August 2012, and the European Policy for Intellectual Property Annual Meeting, September 2012.
Innovation, productivity, and growth, presentation to the KITeS Conference on New Frontiers in the Economics and Management of Innovation, University L. Bocconi, 22-23 March 2012.
R&D in the crisis, presentation to the OECD Workshop on R&D and innovation in the current macroeconomic climate, Paris, France, December 7, 2011.
The Economics of R&D Tax
Credits, slides from presentation to the Tax Policy Institute Conference on
the R&D Tax Credit,
Reports and data documentation
Measuring Science, Technology, and Innovation: A Review, with Adam Jaffe, May 2012. Report for the Panel on Developing Science, Technology, and Innovation Measures for the Future, National Academy of Science.
Methods and software for the harmonization and integration of datasets: A test based on IP-related data and accounting databases with a large panel of companies at the worldwide level, with Grid Thoma, Salvatore Torrisi, Alfonso Gambardella, Dominique Guellec, and Dietmar Harhoff, paper prepared for presentation at the PatStat Conference - Conference on Patent Statistics for Decision Makers, Vienna, September 3-4, 2008.
TSP 5.1 User's Guide, (with Clint Cummins), TSP International, February 2005, revised October 2009.
TSP 5.1 Reference Manual, (with Clint Cummins), TSP International, February 2005, revised October 2009.
Government Policy for Innovation in Latin America, a report to the World Bank, presented at the Barcelona Conference on R&D and Innovation in the Development Process, June 2005.
Patent Data Project – Brief Literature Review (from the NSF Proposal), with Iain Cockburn, Woody Powell, and Manuel Trajtenberg. February 2004.
The NBER Patent Citations Data File: Lessons, Insights, and Methodological Tools, with Adam Jaffe and Manuel Trajtenberg. NBER Working Paper No. 8498 (October 2001).
Tax Incentives for Innovation in the United States, a report to the European Union submitted by Asesoria Industrial ZABALA-Spain (Contract Nº: INNO–99–03), January 2001 draft.
The California R&D
Tax Credit: Description, History, and Economic Analysis, with Marta
Wosinska. Report for the
Differences in Reported R&D Data
on the NSF/Census RD-1 Form and the SEC 10-K Form: A Micro-Data Investigation,
with William F. Long. NBER, UC Berkeley,
Effectiveness of Research and Experimentation
Tax Credits: Critical Literature Review and Research Design, Report written
for the Office of Technology Assessment, U.S. Congress,
The Manufacturing Sector Master File: 1959-1987. NBER Working Paper No. 3366 (May 1990).
A Descriptive Analysis of the Growth and Fluctuations of French Manufacturing Firms. NBER and ENSAE/INSEE (June 1987).
Census R&D Data Match Project: A
Progress Report, with Zvi Griliches. Paper presented at the Workshop on the
Development and Use of Longitudinal Establishment Data, Bureau of the Census,
The labour market for scientists and engineers: introduction, with Andres de Grip and Wendy Smits (2010). Introduction to a special issue of Economics of Innovation and New Technology, Vol 19, Issue 5.
Patents and Technological Competencies:
Discussion. 2004. Slides from presentation at the Economic History
A Comparative Perspective on Technology Regimes and Productivity Growth in the U.S. and Europe: Discussion. 2004. Slides from presentation at the Berkeley-Vienna Conference on the U.S. and European Economies in Comparative Perspective, UC Berkeley, California, Sept. 9/10, 2004.
Models of Research Funding: Discussion, 2003. In A. Guena, A. Salter, and W. E. Steinmueller (eds.), Science and Innovation. Rethinking the Rationales for Funding and Governance. Edward Elgar.
The Assessment: Technology Policy. 2002. Oxford Review of Economic Policy 18 (No. 1), edited by Bronwyn H. Hall and David Ulph.
R&D Satellite Accounts
and Returns to Private R&D by Barbara Fraumeni and Sumiye Okubo: Discussion,
slides from presentation to the CRIW-NBER Conference on Measuring Capital in
the New Economy, April 26-27, 2002,
Investment and Taxation in Germany - Evidence from Firm-Level Panel Data by Harhoff and Ramb: Discussion. In Herrmann, Heinz, and Rolf Strauch (eds.), Investing Today for the World of Tomorrow, Springer Verlag (2001).
Economics and Econometrics of Innovation: Overview (in English) and Economie et econometrie de l'innovation: Avant-propos (en francais), with David Encaoua, Francois Laisney, and Jacques Mairesse, Annales d'Economie et de Statistique 49/50 (Janvier-Juin 1998): 1-50.
The Effects of Technology and Innovation on Firm Performance, Employment, and Wages: Introduction, with Francis Kramarz. Introduction to a special volume of Economics of Innovation and New Technology, 1998 (Volume 5, Issue 2/4).
Valuing Intangible Assets: The
Stock Market Value of R&D Revisited. with Daehwan Kim.
Policy and Investment Incentives, by Kevin Hassett and Glenn Hubbard: Comment.
In Auerbach, Alan (ed.), Fiscal Policy: Lessons from Economic Research,
Incremental Tax Credits for R&D: The United States Experience, presentation to the Save British Science meeting on measures to encourage innovation in industry, Milton Hill, Abingdon, UK, June 3, 1995.
the Sensitivity of R&D to Delicate Tax Changes: The Behavior of
Empirical Analysis of the Size Distribution of Farms: Discussion. American Journal of Agricultural Economics, May 1987.