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研究生:林湘琪
論文名稱:MarketStructureandR&DInvestment:anEmpiricalStudyonTaiwaneseManufacturingIndustry
論文名稱(外文):競爭與廠商創新投資-台灣製造業之實證研究
指導教授:李宜李宜引用關係
指導教授(外文):Lee,Yi
學位類別:碩士
校院名稱:國立清華大學
系所名稱:經濟學系
學門:社會及行為科學學門
學類:經濟學類
論文種類:學術論文
論文出版年:2010
畢業學年度:98
語文別:英文
論文頁數:50
中文關鍵詞:R&R&R&R&
外文關鍵詞:R&D investmentsInnovationCompetition
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How does product market competition affect innovation? It is widely be-
lieved that there exist two opposite effects in market; one is Schumpeterian effect
stating that competition attenuates the innovative incentive of laggard firms and
the other is escape-competition effect depicting that competition urges neck-and-
neck firms to innovate. Based on Ahigon’s model (2005), this article applies Tai-
wanese manufacturing industry data from 1997 to 2004 and confirms that there
exists an inverted-U shaped relation between competition and innovation. And
the R&D-size relation is positive in Taiwan which is consistent with Schumpeter’s
hypothesis. Unexpectedly, firm experience has a negative effect on innovation in
Taiwanese electronics industries since the life cycle of their products is relatively
shorter. Hence, younger firms invest more in R&D for the sake of taking the pre-
emptive competitive position. In addition, we show a strong evidence that internal
R&D investments and external technology outsourcing are complementary to each
other in Taiwanese manufacturing firms.

1 Introduction 7
2 Literature Review 11
2.1 Monotonic Relation . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2 Non-monotonic Relation . . . . . . . . . . . . . . . . . . . . . . . . 12
2.3 Inverted-U Shaped Relation between PMC and Innovation: Escape-
competition effect & Schumpeterian effect . . . . . . . . . . . . . . 14
3 The Data 17
3.1 Basic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.2 Measuring Innovation . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.3 Independent Variables . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 Methodology & Empirical Results 27
4.1 Introduction of Tobit Model . . . . . . . . . . . . . . . . . . . . . . 27
4.2 Theoretical Prediction and Empirical Results . . . . . . . . . . . . . 28
4.2.1 Probit Model . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.2.2 Tobit Model . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5 Concluding Remarks 39
References 42
Appendix 47

.1 Details about the Lerner Index . . . . . . . . . . . . . . . . . . . . 47
.2 Marginal Effect of Tobit Model . . . . . . . . . . . . . . . . . . . . 48
.3 The Amount of R&D Expenditure . . . . . . . . . . . . . . . . . . . 50
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