Can Rationing Increase Welfare? Theory and an Application to India’s Ration Shop System

Lucie Gadenne

Published 2018 in American Economic Journal: Economic Policy

ABSTRACT

In many developing countries, households can purchase limited quantities of goods at a fixed subsidized price through ration shops. This paper asks whether the characteristics of developing countries explain why governments use such systems. I find an equity-efficiency trade-off: an efficiency-maximizing government will never use ration shops, but a welfare-maximizing one might to redistribute and provide insurance. Welfare gains of ration shops will be highest for necessity goods and goods with high price risk. I calibrate the model for India and find that ration shops are welfare improving for three of the four goods sold through the system today. (JEL D12, H23, H25, O12)

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