The elasticity of substitution: evidence from a UK firm-level data set
Using a panel of UK firms spanning three decades, we provide estimates of the long-run elasticity of substitution between capital and other factors of production, the (negative of the) elasticity of capital and investment with respect to the user cost. The parameter is estimated using 'time averages' (with data differenced over long periods) and pooled mean group panel methods. The robust result is that the elasticity is in the region of 0.4. This is consistent with previous results obtained using aggregate UK data, and is also in line with some recent results using US firm-level data. Estimated returns to scale exceed unity. When constant returns are imposed, the estimated elasticity of substitution is not substantially changed.
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- Mark L.J. Wright & Esteban Rossi-Hansberg, 2004.
"Firm Size Dynamics in the Aggregate Economy,"
2004 Meeting Papers
878, Society for Economic Dynamics.
- Esteban Rossi-Hansberg & Mark L.J. Wright, 2005. "Firm Size Dynamics in the Aggregate Economy," NBER Working Papers 11261, National Bureau of Economic Research, Inc.
- Wright, Mark, 2004. "Firm Size Dynamics in the Aggregate Economy," Santa Cruz Department of Economics, Working Paper Series qt4rs4202s, Department of Economics, UC Santa Cruz.
- Vlieghe, Gertjan & Stephen Bond & Alexander Klemm & Rain Newton-Smith & Murtaza Syed, 2003. "The roles of expected profitability, Tobin's Q and cash flow in econometric models of company investment," Royal Economic Society Annual Conference 2003 212, Royal Economic Society.
- Steve Bond & Alexander Klemm & Rain Newton-Smith & Murtaza Syed & Gertjan Vlieghe, 2004. "The roles of expected profitability, Tobin's Q and cash flow in econometric models of company investment," IFS Working Papers W04/12, Institute for Fiscal Studies.
- Stephen Bond & Alexander Klemm & Rain Newton-Smith & Murtaza Syed & Gertjan Vlieghe, 2004. "The roles of expected profitability, Tobin's Q and cash flow in econometric models of company investment," Bank of England working papers 222, Bank of England.
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