Endogenous Spatial Production Networks: Quantitative Implications for Trade & Productivity

Piyush Panigrahi
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Piyush Panigrahi: University of California, Berkeley, https://www.econ.berkeley.edu/

No 2314, Cowles Foundation Discussion Papers from Cowles Foundation for Research in Economics, Yale University

Abstract: Larger Indian firms selling inputs to other firms tend to have more customers, tend to be used more intensively by their customers, and tend to have larger customers. Motivated by these regularities, I propose a novel empirical model of trade featuring endogenous formation of input-output linkages between spatially distant firms. The empirical model consists of (a) a theoretical framework that accommodates first order features of firm-to-firm network data, (b) a maximum likelihood framework for structural estimation that is uninhibited by the scale of data, and (c) a procedure for counterfactual analysis that speaks to the effects of micro- and macro- shocks to the spatial network economy. In the model, firms with low production costs end up larger because they find more customers, are used more intensively by their customers and in turn their customers lower production costs and end up larger themselves. In the model, differences in production costs across firms arise not just from differences in productivity but also from finding the most cost-effective suppliers of intermediate inputs. Firms with low production costs end up larger because they find more customers, are used more intensively by their customers and in turn their customers lower production costs and end up larger themselves. The model is estimated using novel micro-data on firm-to-firm sales between Indian firms. The estimated model implies that a 10% decline in inter-state border frictions in India leads to welfare gains ranging between 1% and 8% across districts. Moreover, over half of the variation in changes in firms' sales to other firms can be explained by endogenous changes in the network structure.

Keywords: Network formation; Production networks; Firm-to-firm networks; International trade; Economic geography; Spatial economics (search for similar items in EconPapers)
JEL-codes: C67 C68 D24 F11 F12 L11 O11 O12 R12 R15 (search for similar items in EconPapers)
Pages: 85 pages
Date: 2021-11
New Economics Papers: this item is included in nep-geo, nep-int, nep-net and nep-ure
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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