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On the Identification of Production Functions: How Heterogeneous is Productivity?

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Listed:
  • Salvador Navarro

    (University of Western Ontario)

  • David Rivers

    (University of Western Ontario)

  • Amit Gandhi

    (University of Wisconsin)

Abstract

The estimation of production functions suffers from an unresolved identification problem caused by flexible inputs, such as intermediate inputs. We develop an identification strategy for production functions based on a transformation of the firm's short-run first order condition that solves the problem for both gross output and valueadded production functions. We apply our approach to plant-level data from Colombia and Chile, and find that a gross output production function implies fundamentally different patterns of productivity heterogeneity than a value-added specification. This finding is consistent with our analysis of the bias induced by the use of value-added.

Suggested Citation

  • Salvador Navarro & David Rivers & Amit Gandhi, 2012. "On the Identification of Production Functions: How Heterogeneous is Productivity?," 2012 Meeting Papers 105, Society for Economic Dynamics.
  • Handle: RePEc:red:sed012:105
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    References listed on IDEAS

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