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NBER Working Papers and Publications
|February 2012||The Causal Effects of an Industrial Policy|
with Ralf Martin, Henry Overman, John Van Reenen: w17842
Business support policies designed to raise productivity and employment are common worldwide, but rigorous micro-econometric evaluation of their causal effects is rare. We exploit multiple changes in the area-specific eligibility criteria for a major program to support manufacturing jobs ("Regional Selective Assistance"). Area eligibility is governed by pan-European state aid rules which change every seven years and we use these rule changes to construct instrumental variables for program participation. We match two decades of UK panel data on the population of firms to all program participants. IV estimates find positive program treatment effect on employment, investment and net entry but not on TFP. OLS underestimates program effects because the policy targets underperforming plants and ...
|April 2008||Productivity Growth, Knowledge Flows, and Spillovers|
with Gustavo Crespi, Jonathan E. Haskel, Matthew Slaughter: w13959
This paper explores the role of knowledge flows and productivity growth by linking direct survey data on knowledge flows to firm-level data on TFP growth. Our data measure the information flows often considered important, especially by policy-makers, such as from within the firm and from suppliers, customers, and competitors. We examine (a) what are the empirically important sources of knowledge flows? (b) to what extent do such flows contribute to TFP growth? (c) do such flows constitute a spillover of free knowledge? (d) how do such flows correspond to suggested spillover sources, such as multinational or R&D presence? We find that: (a) the main sources of knowledge are competitors; suppliers; and plants that belong to the same business group ; (b) these three flows together account...
|July 2005||Global Engagement and the Innovation Activities of Firms|
with Jonathan E. Haskel, Matthew J. Slaughter: w11479
Firms that export or, even more so, are part of a multinational enterprise tend to exhibit higher productivity than their purely domestic counterparts. To better understand this correlation, we incorporate the perspective of industrial organization that one of the main drivers of differences in productivity is differences in knowledge. We examine a new data set of several thousand U.K. enterprises covering all industries from 1994 through 2000. For each enterprise we have multiple detailed measures of knowledge outputs, knowledge investments, and sources of existing knowledge. We find that globally engaged firms do innovate more. But this is not just because globally engaged firms use more researchers. It is also because they learn more from more sources such as suppliers and custome...
Published: Criscuolo, Chiara & Haskel, Jonathan E. & Slaughter, Matthew J., 2010.
"Global engagement and the innovation activities of firms,"
International Journal of Industrial Organization,
Elsevier, vol. 28(2), pages 191-202, March.
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