Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/106170
Authors: 
Saam, Marianne
Year of Publication: 
2014
Series/Report no.: 
ZEW Discussion Papers 14-127
Abstract: 
Technical change that augments capital and labor input in a non-neutral way plays an important role in explaining the relation between growth and other macroeconomic outcomes. Previous research has shown that restricting technical change to be neutral leads to overestimating the elasticity of substitution between capital and labor. I extend this line of analysis to misspecification of the functional form. Evidence from Monte Carlo simulations shows that the problem of biased estimates of the direction of technical change is relevant in the estimation of aggregate CES and translog production functions. In particular, I find examples where true technical change is neutral and estimated technical change is strongly directed towards one factor.
Subjects: 
directed technical change
estimation of production functions
CES functions
translog functions
JEL: 
C15
O30
O47
Document Type: 
Working Paper

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