Million Dollar Plants and Retail Prices

Abhishek Bhardwaj, Devaki Ghose, Saptarshi Mukherjee and Manpreet Singh

No 9995, Policy Research Working Paper Series from The World Bank

Abstract: This paper studies how the opening of a Million Dollar Plant (MDP) affects income inequality, by focusing on a new mechanism: retail inflation. Using detailed barcode-level prices, the paper shows that local barcode-level prices increased in winning counties compared to runner up counties after a MDP enters. The paper further shows that households in winning counties spend less time shopping for deals and discounts and more t ime on work. Wages also go up in winning counties, but only for high-skilled workers. The paper builds a model of monopolistic firms with variable mark-ups and non-homothetic consumer preferences. Consumers become less price sensitive as they substitute shopping time for more working time in response to rising labor demand generated by the entry of a MDP, and firms respond to less elastic consumer demand by raising their mark-ups. Analysis using the model and detailed reduced form evidence shows that establishing a MDP only increases wages of certain high-skilled workers, but it increases overall county-level prices, thus creating larger increases in income inequality in winning counties compared to runner-up counties.

Date: 2022-04-05
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