일반기계 산업의 부문 별 총 요소생산성 증가율의 기여요인 추정

This paper investigates the competitiveness of the Korean machinery industry by sector by analyzing 1992-2005 total factor productivity (TFP) growth of the machinery sectors. Four contributors to the TFP growth rate of technical progress (TP), changes in technical efficiency (TE), changes in scale effects (SC), and changes in allocative efficiency (AE) for the Korean machinery industry by sector were estimated using 1991-2005 micro-level panel data. Empirical results showed that the TFP growth of the Korean machinery industry had been stable where the labor-using capital-saving technical progress was a key contributor. The TFP growth patterns were in line with those in other sectors; plummeting just around the 1997 financial crisis and then soaring thereafter, maintaining the upward trend in the early 2000's. In particular, the TFP growth of the machine-tools sector was persistently high until 1999. Except for the special purpose machinery sector technical efficiency level had been time-invariant. Decreasing returns to scale (DRS) in the machine-tools sector presented a contrast to weak increasing returns to scale (IRS) of the other sectors. The TE had been unstable, but on the average exerted positive effects on the TFP growth of the machinery sectors. However, poor AE hindered the TFP growth of the machinery sectors and poor SC retarded the TFP growth of construction machinery sector.