Journal of Korea Technology Innovation Society (기술혁신학회지)

Korea Technology Innovation Society (한국기술혁신학회)
권호 표지

Innovation and FDI: Applying Random Parameters Methods to KIS Data

기술혁신과 FDI

  • Received : 2010.12.30
  • Accepted : 2010.09.28
  • Published : 2010.09.30
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Abstract

According to the "FDI-as-market-discipline" hypothesis, inward FDI acts as a mechanism of change in market structure affecting innovative activities of domestic firms. We used panel KIS data for testing this hypothesis. Binary probit estimation shows that, in contrast to the German case of Bertschek (1995), FDI is insignificant in Korean case for explaining product innovation. 1his result maybe comes from the fact that the industries in Korea are more monopolistic or oligopolistic than those of Germany. Using panel data, we tried random parameter estimation using matrix weighted average of GLS and OLS. The result shows different estimates from cross-section outcome and panel estimation with parameter homogeneity, so we can infer large parameter heterogeneity across firms. But, interpretation for FDI variable is similar across panel and cross-section estimation.

"시장규율로서의 FDI" 가설에 따르면 직접투자 자금유입은 국내기업의 혁신활동에 영향을 미치는 시장구조에 변화를 주는 메커니즘으로 작용한다. STEPI의 2008 KIS 데이터에 대한 프로빗 추정결과는 Bertschek(1995)이 분석한 독일기업의 경우와 달리, 한국기업의 제품혁신을 설명하는데 FDI가 설명력이 없는 것으로 나타났다. 이의 근거로 본 연구는 한국 산업의 시장구조가 독일의 경우보다 독점적인데서 기인한다는 추론을 제시하였다. 2005, 2008년 데이터로 구성된 패널데이터 분석의 경우, GLS와 OLS의 행렬가중평균을 추정하는 임의 파라미터 추정법을 적용하였다. 그 결과는 단순 패널프로빗추정 결과와 상당한 차이가 나, 기업간 파라미터에 많은 파라미터 추정치 변화가 있음을 보여준다. 그러나, 패널추정치와 횡단면 추정치간 타 계수의 부호는 달라도 FDI에 대한 결과는 동일한 것으로 나타난다.

Keywords

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