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Christian Helmers

Personal Details

First Name:Christian
Middle Name:
Last Name:Helmers
Suffix:
RePEc Short-ID:phe349
http://www.chelmers.com

Affiliation

Department of Economics
Santa Clara University

Santa Clara, California (United States)
http://www.scu.edu/business/economics/
RePEc:edi:descuus (more details at EDIRC)

Research output

as
Jump to: Working papers Articles

Working papers

  1. Jorge L. Contreras & Bronwyn H. Hall & Christian Helmers, 2018. "Green Technology Diffusion: A Post-Mortem Analysis of the Eco-Patent Commons," NBER Working Papers 25271, National Bureau of Economic Research, Inc.
  2. Bronwyn Hall & Christian Helmers, 2018. "The Impact of International Patent Systems: Evidence from Accession to the European Patent Convention," NBER Working Papers 24207, National Bureau of Economic Research, Inc.
  3. Carsten Fink & Bronwyn H. Hall & Christian Helmers, 2018. "Intellectual Property Use in Middle Income Countries: The Case of Chile," NBER Working Papers 24348, National Bureau of Economic Research, Inc.
  4. Christian Helmers & Henry Overman, 2017. "In brief ... Where top science gets done," CentrePiece - The magazine for economic performance 515, Centre for Economic Performance, LSE.
  5. Helmers, Christian & Lefouili, Yassine & Love, Brian & McDonagh, Luke, 2016. "The Effect of Fee Shifting On Litigation: Evidence from a Policy Innovation in Intermediate Cost Shifting," TSE Working Papers 16-740, Toulouse School of Economics (TSE), revised Jan 2021.
  6. Georg von Graevenitz & Christian Helmers & Valentine Millot & Oliver Turnbull, 2016. "Does Online Search Predict Sales? Evidence from Big Data for Car Markets in Germany and the UK," Working Papers 71, Queen Mary, University of London, School of Business and Management, Centre for Globalisation Research.
  7. Cremers, Katrin & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & Lefouili, Yassine, 2016. "Invalid but infringed? An analysis of the bifurcated patent litigation system," TSE Working Papers 16-698, Toulouse School of Economics (TSE).
  8. María José Abud Sittler & Bronwyn Hall & Christian Helmers, 2015. "An Empirical Analysis of Primary and Secondary Pharmaceutical Patents in Chile," NBER Working Papers 20995, National Bureau of Economic Research, Inc.
  9. Bronwyn H. Hall & Christian Helmers & Georg von Graevenitz, 2015. "Technology Entry in the Presence of Patent Thickets," NBER Working Papers 21455, National Bureau of Economic Research, Inc.
  10. Christian Helmers & Pramila Krishnan & Manasa Patnam, 2015. "Attention and Saliency on the Internet: Evidence from an online recommendation system," Cambridge Working Papers in Economics 1532, Faculty of Economics, University of Cambridge.
  11. Carsten Fink & Christian Helmers & Carlos Ponce, 2014. "Trademarks Squatters: Evidence from Chile," WIPO Economic Research Working Papers 22, World Intellectual Property Organization - Economics and Statistics Division.
  12. Cremers, Katrin & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian, 2014. "Invalid but infringed? An analysis of Germany's bifurcated patent litigation system," ZEW Discussion Papers 14-072, ZEW - Leibniz Centre for European Economic Research.
  13. Maria Jose Abud & Carsten Fink & Bronwyn Hall & Christian Helmers, 2013. "The use of intellectual property in Chile," WIPO Economic Research Working Papers 11, World Intellectual Property Organization - Economics and Statistics Division.
  14. Cremers, Katrin & Ernicke, Max & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & McDonagh, Luke & Schliessler, Paula & Van Zeebroeck, Nicolas, 2013. "Patent litigation in Europe," ZEW Discussion Papers 13-072, ZEW - Leibniz Centre for European Economic Research.
  15. Henry Overman & Christian Helmers, 2013. "My precious! The location and di_x000B_ffusion of scientifi_x000C_c research: evidence from the Synchrotron Diamond Light Source," ERSA conference papers ersa13p654, European Regional Science Association.
  16. Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2013. "The Importance (or not) of Patents to UK Firms," NBER Working Papers 19089, National Bureau of Economic Research, Inc.
  17. Christian Helmers & Henry Overman, 2013. "My Precious! The Location and Diffusion of Scientific Research: Evidence from the Synchrotron Diamond Light Source," SERC Discussion Papers 0131, Centre for Economic Performance, LSE.
  18. Fosfuri, A. & Helmers, C. & Roux, C., 2012. "Are joint patents collusive? Evidence from the US and Europe," Discussion Paper 2012-035, Tilburg University, Tilburg Law and Economic Center.
  19. Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2012. "The Choice between Formal and Informal Intellectual Property: A Literature Review," NBER Working Papers 17983, National Bureau of Economic Research, Inc.
  20. Markus Eberhardt & Christian Helmers & Zhihong Yu, 2011. "Is the Dragon Learning to Fly? An Analysis of the Chinese Patent Explosion," CSAE Working Paper Series 2011-15, Centre for the Study of African Economies, University of Oxford.
  21. Christian Helmers & Mark RogersPhilipp Schautschick, 2011. "Intellectual Property at the Firm-Level in the UK: The Oxford Firm-Level Intellectual Property Database," Economics Series Working Papers 546, University of Oxford, Department of Economics.
  22. Bronwyn H. Hall & Christian Helmers, 2011. "Innovation and Diffusion of Clean/Green Technology: Can Patent Commons Help?," NBER Working Papers 16920, National Bureau of Economic Research, Inc.
  23. Eberhardt, Markus & Helmers, Christian & Strauss, Hubert, 2010. "Do spillovers matter when estimating private returns to R&D?," Economic and Financial Reports 2010/1, European Investment Bank, Economics Department.
  24. Bronwyn H. Hall & Christian Helmers, 2010. "The role of patent protection in (clean/green) technology transfer," NBER Working Papers 16323, National Bureau of Economic Research, Inc.
  25. Christian Helmers, 2010. "The Effect of Market Entry on Innovation: Evidence from UK University Incubators," CEP Discussion Papers dp1002, Centre for Economic Performance, LSE.
  26. Christian Helmers & Natalia Trofimenko, 2010. "Export Subsidies in a Heterogeneous Firms Framework: Evidence from Colombia," CSAE Working Paper Series 2010-26, Centre for the Study of African Economies, University of Oxford.
  27. Christian Helmers & Manasa Patnam, 2010. "Does the Rotten Child Spoil His Companion? Spatial Peer Effects Among Children in Rural India," CSAE Working Paper Series 2010-13, Centre for the Study of African Economies, University of Oxford.
  28. Markus Eberhardt & Christian Helmers, 2010. "Untested Assumptions and Data Slicing: A Critical Review of Firm-Level Production Function Estimators," Economics Series Working Papers 513, University of Oxford, Department of Economics.
  29. Christian Helmers & Mark Rogers, 2010. "The Impact of University Research on Corporate Patenting," SERC Discussion Papers 0054, Centre for Economic Performance, LSE.
  30. Helmers, Christian & Trofimenko, Natalia, 2009. "Export subsidies in a heterogeneous firms framework," Kiel Working Papers 1476, Kiel Institute for the World Economy (IfW Kiel).
  31. Helmers, Christian & Schulte, Christian & Strauss, Hubert, 2009. "Business R&D expenditure and capital in Europe," EIB Papers 2/2009, European Investment Bank, Economics Department.
  32. Christian Helmers & Mark Rogers, 2008. "Innovation and the Survival of New Firms Across British Regions," Economics Series Working Papers 416, University of Oxford, Department of Economics.

Articles

  1. Andrea Fosfuri & Christian Helmers & Catherine Roux, 2017. "Shared Ownership of Intangible Property Rights: The Case of Patent Coassignments," The Journal of Legal Studies, University of Chicago Press, vol. 46(2), pages 339-369.
  2. Markus Eberhardt & Christian Helmers & Zhihong Yu, 2017. "What can explain the Chinese patent explosion?," Oxford Economic Papers, Oxford University Press, vol. 69(1), pages 239-262.
  3. Katrin Cremers & Max Ernicke & Fabian Gaessler & Dietmar Harhoff & Christian Helmers & Luke McDonagh & Paula Schliessler & Nicolas Zeebroeck, 2017. "Erratum to: Patent litigation in Europe," European Journal of Law and Economics, Springer, vol. 44(1), pages 45-46, August.
  4. Katrin Cremers & Max Ernicke & Fabian Gaessler & Dietmar Harhoff & Christian Helmers & Luke McDonagh & Paula Schliessler & Nicolas Zeebroeck, 2017. "Patent litigation in Europe," European Journal of Law and Economics, Springer, vol. 44(1), pages 1-44, August.
    • Cremers, Katrin & Ernicke, Max & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & McDonagh, Luke & Schliessler, Paula & Van Zeebroeck, Nicolas, 2013. "Patent litigation in Europe," ZEW Discussion Papers 13-072, ZEW - Leibniz Centre for European Economic Research.
    • Katrin Cremers & Max Ernicke & Fabian Gaessler & Dietmar Harhoff & Christian Helmers & Luke Mc Donagh & Paula Schliessler & Nicolas van Zeebroeck, 2017. "Patent litigation in Europe," ULB Institutional Repository 2013/226239, ULB -- Universite Libre de Bruxelles.
  5. Christian Helmers & Henry G. Overman, 2017. "My Precious! The Location and Diffusion of Scientific Research: Evidence from the Synchrotron Diamond Light Source," Economic Journal, Royal Economic Society, vol. 127(604), pages 2006-2040, September.
  6. Helmers, Christian & Patnam, Manasa & Rau, P. Raghavendra, 2017. "Do board interlocks increase innovation? Evidence from a corporate governance reform in India," Journal of Banking & Finance, Elsevier, vol. 80(C), pages 51-70.
  7. Cremers, Katrin & Gaessler, Fabian & Harhoff, Dietmar & Helmers, Christian & Lefouili, Yassine, 2016. "Invalid but infringed? An analysis of the bifurcated patent litigation system," Journal of Economic Behavior & Organization, Elsevier, vol. 131(PA), pages 218-242.
  8. Eberhardt, Markus & Fafchamps, Marcel & Helmers, Christian & Patnam, Manasa, 2016. "The heterogeneous effect of software patents on expected returns: Evidence from India," Economics Letters, Elsevier, vol. 145(C), pages 73-78.
  9. Christian Helmers & Mark Rogers, 2015. "The impact of university research on corporate patenting: evidence from UK universities," The Journal of Technology Transfer, Springer, vol. 40(1), pages 1-24, February.
  10. Bronwyn Hall & Christian Helmers & Mark Rogers & Vania Sena, 2014. "The Choice between Formal and Informal Intellectual Property: A Review," Journal of Economic Literature, American Economic Association, vol. 52(2), pages 375-423, June.
  11. Christian Helmers & Manasa Patnam, 2014. "Does the rotten child spoil his companion? Spatial peer effects among children in rural India," Quantitative Economics, Econometric Society, vol. 5, pages 67-121, March.
  12. Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2013. "The importance (or not) of patents to UK firms," Oxford Economic Papers, Oxford University Press, vol. 65(3), pages 603-629, July.
  13. Hall, Bronwyn H. & Helmers, Christian, 2013. "Innovation and diffusion of clean/green technology: Can patent commons help?," Journal of Environmental Economics and Management, Elsevier, vol. 66(1), pages 33-51.
  14. Christian Helmers & Natalia Trofimenko, 2013. "The Use and Abuse of Export Subsidies: Evidence from Colombia," The World Economy, Wiley Blackwell, vol. 36(4), pages 465-486, April.
  15. Christine Greenhalgh & Jonathan Haskel & Christian Helmers, 2013. "Introduction to the Special Issue on Innovation and Intellectual Property," Oxford Economic Papers, Oxford University Press, vol. 65(3), pages 597-602, July.
  16. Markus Eberhardt & Christian Helmers & Hubert Strauss, 2013. "Do Spillovers Matter When Estimating Private Returns to R&D?," The Review of Economics and Statistics, MIT Press, vol. 95(2), pages 436-448, May.
  17. Fu, Xiaolan & Helmers, Christian & Zhang, Jing, 2012. "The two faces of foreign management capabilities: FDI and productive efficiency in the UK retail sector," International Business Review, Elsevier, vol. 21(1), pages 71-88.
  18. Helmers, Christian & Rogers, Mark, 2011. "Does patenting help high-tech start-ups?," Research Policy, Elsevier, vol. 40(7), pages 1016-1027, September.
  19. Helmers, Christian & Patnam, Manasa, 2011. "The formation and evolution of childhood skill acquisition: Evidence from India," Journal of Development Economics, Elsevier, vol. 95(2), pages 252-266, July.
  20. Mark Rogers & Christian Helmers & Christoffer Koch, 2010. "Firm growth and firm size," Applied Economics Letters, Taylor & Francis Journals, vol. 17(16), pages 1547-1550.
  21. Christian Helmers & Mark Rogers, 2010. "Innovation and the Survival of New Firms in the UK," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 36(3), pages 227-248, May.

More information

Research fields, statistics, top rankings, if available.

Statistics

Access and download statistics for all items

Rankings

This author is among the top 5% authors according to these criteria:
  1. Number of Citations, Weighted by Simple Impact Factor, Discounted by Citation Age
  2. Closeness measure in co-authorship network
  3. Breadth of citations across fields

Co-authorship network on CollEc

NEP Fields

NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 38 papers announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.
  1. NEP-INO: Innovation (24) 2010-01-23 2010-04-17 2010-09-11 2010-09-25 2010-11-13 2010-11-20 2011-04-09 2011-04-23 2011-09-16 2012-04-17 2013-03-30 2013-06-04 2013-10-11 2014-12-03 2015-02-11 2015-03-05 2015-08-19 2015-09-05 2016-04-09 2016-09-25 2017-11-12 2018-02-05 2018-03-19 2018-12-17. Author is listed
  2. NEP-IPR: Intellectual Property Rights (24) 2010-09-11 2010-11-13 2010-11-20 2011-04-09 2011-04-23 2011-09-16 2012-04-17 2013-03-30 2013-06-04 2013-10-02 2013-10-11 2014-11-22 2014-12-03 2015-02-11 2015-03-05 2015-08-19 2015-09-05 2016-02-12 2016-04-09 2016-09-25 2016-12-11 2018-02-05 2018-03-19 2018-12-17. Author is listed
  3. NEP-TID: Technology and Industrial Dynamics (16) 2010-09-11 2010-09-25 2010-11-13 2011-04-09 2011-04-23 2011-06-25 2011-09-16 2012-04-17 2013-06-04 2015-03-05 2015-08-19 2015-09-05 2016-02-12 2016-04-09 2018-03-19 2018-12-17. Author is listed
  4. NEP-COM: Industrial Competition (9) 2010-11-13 2013-06-04 2013-10-11 2015-03-05 2015-08-19 2015-09-05 2015-11-21 2016-04-04 2016-04-09. Author is listed
  5. NEP-LAW: Law and Economics (9) 2012-04-17 2013-10-11 2014-12-03 2015-03-05 2015-09-05 2016-02-12 2016-04-09 2016-09-25 2016-12-11. Author is listed
  6. NEP-EUR: Microeconomic European Issues (7) 2010-11-13 2010-11-20 2013-10-11 2014-12-03 2016-02-12 2016-09-11 2018-02-05. Author is listed
  7. NEP-URE: Urban and Real Estate Economics (7) 2010-08-06 2010-11-13 2010-11-20 2010-11-20 2011-07-27 2013-03-30 2015-02-11. Author is listed
  8. NEP-BEC: Business Economics (6) 2010-01-23 2011-09-16 2015-08-19 2015-09-05 2016-04-09 2018-03-19. Author is listed
  9. NEP-SBM: Small Business Management (6) 2010-01-23 2010-11-13 2011-04-09 2013-06-04 2016-04-09 2018-03-19. Author is listed
  10. NEP-ENV: Environmental Economics (5) 2010-09-11 2010-09-25 2011-04-09 2011-06-25 2018-12-17. Author is listed
  11. NEP-DEV: Development (4) 2010-08-06 2010-11-06 2010-11-20 2011-07-27
  12. NEP-ENE: Energy Economics (4) 2010-09-11 2010-09-25 2011-04-09 2011-06-25
  13. NEP-MKT: Marketing (4) 2014-11-22 2015-11-21 2016-04-04 2016-09-11
  14. NEP-CSE: Economics of Strategic Management (3) 2010-11-20 2011-04-09 2011-06-25
  15. NEP-EFF: Efficiency and Productivity (3) 2010-01-23 2010-04-17 2010-11-27
  16. NEP-GEO: Economic Geography (3) 2010-08-06 2013-03-30 2015-02-11
  17. NEP-LAM: Central and South America (3) 2013-10-02 2014-11-22 2015-03-05
  18. NEP-ENT: Entrepreneurship (2) 2010-11-13 2015-08-19
  19. NEP-IND: Industrial Organization (2) 2013-10-11 2016-02-12
  20. NEP-KNM: Knowledge Management and Knowledge Economy (2) 2011-06-25 2018-03-19
  21. NEP-CBE: Cognitive and Behavioural Economics (1) 2016-04-04
  22. NEP-CUL: Cultural Economics (1) 2012-04-17
  23. NEP-DCM: Discrete Choice Models (1) 2015-11-21
  24. NEP-ECM: Econometrics (1) 2010-11-27
  25. NEP-EDU: Education (1) 2010-11-20
  26. NEP-EEC: European Economics (1) 2010-01-23
  27. NEP-HIS: Business, Economic and Financial History (1) 2012-04-17
  28. NEP-HRM: Human Capital and Human Resource Management (1) 2010-08-06
  29. NEP-ICT: Information and Communication Technologies (1) 2016-09-11
  30. NEP-INT: International Trade (1) 2010-11-06
  31. NEP-MAC: Macroeconomics (1) 2010-01-23
  32. NEP-MFD: Microfinance (1) 2015-03-05
  33. NEP-MIC: Microeconomics (1) 2010-09-25
  34. NEP-SOC: Social Norms and Social Capital (1) 2010-08-06
  35. NEP-TRA: Transition Economics (1) 2011-09-16
  36. NEP-TRE: Transport Economics (1) 2016-09-11

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