A Micro-Economic Model of a Short Run Cost Function with Unobserved Heterogeneity

David Prentice

No 1998.01, Working Papers from School of Economics, La Trobe University

Abstract: Recent work has suggested plant level heterogeneity and discrete production processes can produce problems for estimation. A structural model of discrete production decisions by heterogeneous plants is constructed and, as a case study, estimated for the US Portland cement industry. In particular, an ordered probit model is extended to encapsulate the structural model and to handle incomplete ordering. This is the first application of the ordered probit model for the direct estimation of a short run cost function. The results broadly support the structure suggested by the industry technology and competitive conditions. Differences between industry averages of input requirements and many of the estimates of these coefficients are statistically insignificant.

Keywords: Economic Models; Evaluation EDIRC Provider-Institution: RePEc:edi:smlatau (search for similar items in EconPapers)
Pages: 33 pages
Date: 1998
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Working Paper: A micro-econometric model of a short run cost function with unobserved heterogeneity (2000)
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