Productivity Spreads, Market Power Spreads and Trade
Much of recent Trade theory focuses on heterogeneity of firms and the differential impact trade policy might have on firms with different levels of productivity. A common problem is that most firm level dataset do not contain information on output prices of firms which makes it difficult to distinguish between productivity differences and differences in market power between firms. This paper develops a new econometric framework that allows estimating both firm specific productivity and market power in a semi-parametric way based on a control function approach. The framework is applied to Chilean firm level data from the early 1980, shortly after the country underwent wide ranging trade reforms. The finding is that in all sectors of the economy market power declined and productivity increased. In sectors with higher import penetration productivity particularly at the bottom end of the distribution increased faster. At the same time market power declined particularly so at the top end of the market power distribution. We also show, that ignoring the effect on market power leads to an underestimation of the positive effects of increased import penetration on productivity.
|Date of creation:||Sep 2010|
|Date of revision:|
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- Ritschl, Albrecht & Sarferaz, Samad, 2009.
"Crisis? What Crisis? Currency vs. Banking in the Financial Crisis of 1931,"
CEPR Discussion Papers
7610, C.E.P.R. Discussion Papers.
- Albrecht Ritschl & Samad Salferaz, 2010. "Crisis? What Crisis? Currency vs. Banking in the Financial Crisis of 1931," CEP Discussion Papers dp0977, Centre for Economic Performance, LSE.
- Albrecht Ritschl & Samad Sarferaz, 2010. "Crisis? What Crisis? Currency vs. Banking in the Financial Crisis of 1931," SFB 649 Discussion Papers SFB649DP2010-014, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
- Albrecht Ritschl & Samad Salferaz, 2010. "Crisis?: What crisis?: currency vs. banking in the financial crisis of 1931," LSE Research Online Documents on Economics 28726, London School of Economics and Political Science, LSE Library.
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