Capital Stock and Unemployment: Searching for the Missing Link

Ines Perez-Soba Aguilar, Elena Marquez de la Cruz, Ana Rosa Martinez-Canete and Alfonso Palacio-Vera

Economics Working Paper Archive from Levy Economics Institute

Abstract: The purpose of this paper is to examine the proposition that capital stock relative to aggregate output has been an important variable in the determination of the U.S. NAIRU (Non-Accelerating Inflation Rate of Unemployment) over the last four decades. We present new empirical evidence, obtained from the application of the cointegrated VAR methodology to U.S. time-series data, that lends strong support to the claim that the aggregate capital-output ratio, the real price of imports, and aggregate capacity utilization were determinants of the NAIRU in the period considered. The same evidence also shows that technical progress and changes in long-term unemployment did not affect the NAIRU. We believe this evidence suggests that, insofar as the aggregate capital-output ratio is affected by changes in real interest rates, the stance of monetary policy is one determinant of the NAIRU.

Date: 2006-10
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Citations: View citations in EconPapers (3)

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