Electricity and Firm Productivity: A General-Equilibrium Approach

By Stephie Fried and David Lagakos

http://d.repec.org/n?u=RePEc:ces:ceswps:_9490&r=dge

Many policymakers view power outages as a major constraint on firm productivity in developing countries. Yet empirical studies find modest short-run effects of outages on firm performance. This paper builds a dynamic macroeconomic model to study the long-run general-equilibrium effects of power outages on productivity. Outages lower productivity in the model by creating idle resources, depressing the scale of incumbent firms and reducing entry of new firms. Consistent with the empirical literature, the model predicts small short-run effects of eliminating outages. However, the long-run general-equilibrium effects are much larger, supporting the view that eliminating outages is an important development objective.

The title of this paper does not do justice to the importance of power outages. The paper shows that Nigeria could increase labor productivity by 22% by eliminating power outages, in equal parts from reducing idle labor, expansion of existing firms, and firm entry. This is big.

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