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Competition and Persistence of R&D. (2014). Woerter, Martin.
In: Economics of Innovation and New Technology.
RePEc:taf:ecinnt:v:23:y:2014:i:5-6:p:469-489.

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  1. PERSISTENCE OF R&D INTENSITIES IN THE WORLDS TOP INVESTORS IN R&D. (2023). Sterlacchini, Alessandro ; Valentini, Francesco ; Pigini, Claudia.
    In: Working Papers.
    RePEc:anc:wpaper:480.

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  2. Do Competition Improve Persistence in Innovation Effort? Sectoral Patterns and Evidence from India. (2022). Paul, Sourabh Bikas ; Kaushik, Rituparna.
    In: Journal of Industry, Competition and Trade.
    RePEc:kap:jincot:v:22:y:2022:i:2:d:10.1007_s10842-022-00380-0.

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  3. Technological Cumulativeness and Innovation in Brazilian Manufacturing Industry: Evidences from Brazilian Innovation Surveys 2008, 2011, and 2014. (2021). Tolentino, Camila ; Rapini, Marcia ; Mendes, Philipe Scherer ; Caliari, Thiago.
    In: Journal of the Knowledge Economy.
    RePEc:spr:jknowl:v:12:y:2021:i:2:d:10.1007_s13132-020-00645-1.

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  4. The role of technology standards in product innovation: Theory and evidence from UK manufacturing firms. (2021). Foucart, Renaud ; Li, Qian Cher.
    In: Research Policy.
    RePEc:eee:respol:v:50:y:2021:i:2:s0048733320302316.

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  5. Local knowledge spillovers and innovation persistence of firms. (2020). Rammer, Christian ; Holl, Adelheid ; Peters, Bettina.
    In: ZEW Discussion Papers.
    RePEc:zbw:zewdip:20005.

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  6. Quantifying sunk costs and learning effects in R&D persistence. (2020). Love, J H ; Maez, J A.
    In: Research Policy.
    RePEc:eee:respol:v:49:y:2020:i:7:s0048733320300846.

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  7. Industrial research and development and real exchange rate depreciation in a small open economy. (2020). Tabrizy, Saleh S.
    In: The World Economy.
    RePEc:bla:worlde:v:43:y:2020:i:9:p:2490-2523.

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  8. R&D DYNAMICS AND FIRM GROWTH: THE IMPORTANCE OF R&D PERSISTENCY IN THE ECONOMIC CRISIS. (2019). Lee, Jeong-Dong ; Kang, Taewon ; Park, Hayoung.
    In: International Journal of Innovation Management (ijim).
    RePEc:wsi:ijimxx:v:23:y:2019:i:05:n:s136391961950049x.

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  9. Concentration on the few: mechanisms behind a falling share of innovative firms in Germany. (2018). Rammer, Christian ; Schubert, Torben.
    In: Research Policy.
    RePEc:eee:respol:v:47:y:2018:i:2:p:379-389.

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  10. Participation inertia in R&D tax incentive and subsidy programs. (2017). Martínez-Ros, Ester ; Corchuelo Martínez-Azúa, Beatriz ; Corchuelo Martínez-Azúa, Beatriz ; Corchuelo Martínez-Azúa, Beatriz ; Busom, Isabel ; Martinez-Ros, Ester ; Corchuelo Martínez-Azúa, Beatriz.
    In: Small Business Economics.
    RePEc:kap:sbusec:v:48:y:2017:i:1:d:10.1007_s11187-016-9770-5.

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  11. The persistency and volatility of the firm R&D investment: Revisited from the perspective of technological capability. (2017). Lee, Jeong-Dong ; Baek, Chulwoo ; Kang, Taewon.
    In: Research Policy.
    RePEc:eee:respol:v:46:y:2017:i:9:p:1570-1579.

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  12. Concentration on the few? R&D and innovation in German firms 2001 to 2013. (2016). Rammer, Christian ; Schubert, Torben.
    In: ZEW Discussion Papers.
    RePEc:zbw:zewdip:16005.

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  13. Concentration on the few? R&D and innovation in German firms between 2001 and 2013. (2016). Rammer, Christian ; Schubert, Torben.
    In: Discussion Papers Innovation Systems and Policy Analysis.
    RePEc:zbw:fisidp:54.

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  14. Dynamics of firm participation in R&D tax credit and subsidy programs. (2015). Martínez-Ros, Ester ; Corchuelo Martínez-Azúa, Beatriz ; Corchuelo Martínez-Azúa, Beatriz ; Corchuelo Martínez-Azúa, Beatriz ; Busom, Isabel ; Corchuelo Martínez-Azúa, Beatriz ; Martinez-Ros, Ester .
    In: Working Papers.
    RePEc:uab:wprdea:wpdea1503.

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  15. Working Paper 05-15 - Evaluation of federal tax incentives for private R&D in Belgium: An update. (2015). Dumont, Michel.
    In: Working Papers.
    RePEc:fpb:wpaper:1505.

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  16. Imitation versus innovation. (2014). Arvanitis, Spyros ; Seliger, Florian .
    In: KOF Working papers.
    RePEc:kof:wpskof:14-367.

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References

References cited by this document

  1. Alvarez, Javier ; Arellano, Manuel. (2003). The Time Series and Cross-Section Asymptotics of Dynamic Panel Data Estimators. In: Econometrica, 71 4 pp. 1121-1159.

  2. Antonelli, Cristiano ; Crespi, Francesco ; Scellato, Giuseppe. (2012). Inside innovation persistence: New evidence from Italian micro-data. In: Structural Change and Economic Dynamics, 23 4 pp. 341-353.

  3. Antonelli, Cristiano ; Crespi, Francesco ; Scellato, Giuseppe. (2013). Internal and external factors in innovation persistence. In: Economics of Innovation and New Technology, 22 3 pp. 256-280.

  4. Arrow, K. 1962. “Economic Welfare and the Allocation of Resources for Invention.” InThe Rate and Direction of Inventive Activity, edited by R. Nelson, 609–626. Princeton University Press.
    Paper not yet in RePEc: Add citation now
  5. Bloom, Nick. (2007). Uncertainty and the Dynamics of R&D. In: American Economic Review, 97 2 pp. 250-255.

  6. Blundell, Richard ; Bond, Stephen. (1998). Initial conditions and moment restrictions in dynamic panel data models. In: Journal of Econometrics, 87 1 pp. 115-143.

  7. Boone, Jan. (2001). Intensity of competition and the incentive to innovate. In: International Journal of Industrial Organization, 19 5 pp. 705-726.

  8. Boone, Jan. (2008). Competition: Theoretical Parameterizations and Empirical Measures. In: j inst theor econ, 164 4 pp. 587-611.

  9. Breschi, Stefano ; Malerba, Franco ; Orsenigo, Luigi. (2000). Technological Regimes and Schumpeterian Patterns of Innovation. In: Economic Journal, 110 463 pp. 388-410.

  10. Cefis, Elena ; Orsenigo, Luigi. (2001). The persistence of innovative activities. In: Research Policy, 30 7 pp. 1139-1158.
    Paper not yet in RePEc: Add citation now
  11. Cefis, Elena. (2003). Is there persistence in innovative activities?. In: International Journal of Industrial Organization, 21 4 pp. 489-515.

  12. Cohen, Wesley M. ; Levin, Richard C.. (1989). Chapter 18 Empirical studies of innovation and market structure. In:, pp. 1059-1107.

  13. Dosi, Giovanni. (1982). Technological paradigms and technological trajectories. In: Research Policy, 11 3 pp. 147-162.
    Paper not yet in RePEc: Add citation now
  14. Flaig, Gebhard ; Stadler, Manfred. (1994). Success breeds success. The dynamics of the innovation process. In: Empirical Economics, 19 1 pp. 55-68.

  15. Geroski, P.A. ; Van Reenen, J. ; Walters, C.F.. (1997). How persistently do firms innovate?. In: Research Policy, 26 1 pp. 33-48.

  16. Gilbert R. J., 2006. Innovation Policy and the Economy
    Paper not yet in RePEc: Add citation now
  17. Latham, William ; Le Bas, Christian ; Touach, Karim. (2006). Characteristics of Persistent Inventors as Revealed in Patent Data. In:, pp. 101-118.
    Paper not yet in RePEc: Add citation now
  18. Malerba, Franco ; Orsenigo, Luigi ; Peretto, Pietro. (1997). Persistence of innovative activities, sectoral patterns of innovation and international technological specialization. In: International Journal of Industrial Organization, 15 6 pp. 801-826.

  19. Martin, Stephen. (1993). Endogenous Firm Efficiency in a Cournot Principal-Agent Model. In: Journal of Economic Theory, 59 2 pp. 445-450.

  20. Peneder, Michael. (2010). Technological regimes and the variety of innovation behaviour: Creating integrated taxonomies of firms and sectors. In: Research Policy, 39 3 pp. 323-334.

  21. Peters, Bettina. (2007). Persistence of innovation: stylised facts and panel data evidence. In: J Technol Transf, 34 2 pp. 226-243.
    Paper not yet in RePEc: Add citation now
  22. Raymond, Wladimir ; Mohnen, Pierre ; Palm, Franz ; van der Loeff, Sybrand Schim. (2010). Persistence of Innovation in Dutch Manufacturing: Is It Spurious?. In: Review of Economics and Statistics, 92 3 pp. 495-504.

  23. Roper, Stephen ; Hewitt-Dundas, Nola. (2008). Innovation persistence: Survey and case-study evidence. In: Research Policy, 37 1 pp. 149-162.

  24. Schmidt, Klaus M.. (1997). Managerial Incentives and Product Market Competition. In: The Review of Economic Studies, 64 2 pp. 191.

  25. Sutton J., 1991. Sunk Costs and Market Structure
    Paper not yet in RePEc: Add citation now
  26. Sutton J., 1998. Technology and Market Structure: Theory and History
    Paper not yet in RePEc: Add citation now
  27. Wernerfelt, Birger ; Karnani, Aneel. (1987). Competitive strategy under uncertainty. In: Strat. Mgmt. J., 8 2 pp. 187-194.

  28. Wooldridge, Jeffrey M.. (2005). Simple solutions to the initial conditions problem in dynamic, nonlinear panel data models with unobserved heterogeneity. In: J. Appl. Econ., 20 1 pp. 39-54.

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