A System Approach to Structural Identification of Production Functions with Multi-Dimensional Productivity

Emir Malikov, Shunan Zhao and Jingfang Zhang

Papers from arXiv.org

Abstract: There is growing empirical evidence that firm heterogeneity is technologically non-neutral. This paper extends Gandhi et al.'s (2020) proxy variable framework for structurally identifying production functions to a more general case when latent firm productivity is multi-dimensional, with both factor-neutral and (biased) factor-augmenting components. Unlike alternative methodologies, our model can be identified under weaker data requirements, notably, without relying on the typically unavailable cross-sectional variation in input prices for instrumentation. When markets are perfectly competitive, we achieve point identification by leveraging the information contained in static optimality conditions, effectively adopting a system-of-equations approach. We also show how one can partially identify the non-neutral production technology in the traditional proxy variable framework when firms have market power.

Date: 2023-02
New Economics Papers: this item is included in nep-bec, nep-ecm and nep-eff
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Citations: View citations in EconPapers (1)

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Chapter: A System Approach to Structural Identification of Production Functions with Multi-Dimensional Productivity (2024)
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