Impact of Grain Trade Policies on Prices and Welfare: Evidence from Malawi

Habtamu Neda Fuje and Hemant Pullabhotla

No 9436, Policy Research Working Paper Series from The World Bank

Abstract: Restricting cross-border trade through export bans in an attempt to stabilize domesticprices has been a particularly popular policy tool used by many sub-Saharan countries in recent years. However, littleis known about how the variability in harvests and seasonality -- two critical dimensions of smallholderagriculture in Africa -- mediate the effects of export bans on household welfare. This study assesses the short-termimpact of export bans on prices and welfare of households in Malawi, accounting for these heterogeneities. It usesmonthly panel data on maize prices from 152 markets in Malawi and neighboring countries. To identify the impacts ofthe bans, the study compares the change in price dispersion between a domestic market in Malawi and another market in aneighboring country, relative to the price dispersion between the domestic market and other markets within Malawithat are at a similar distance as the domestic-foreign market pair. The findings show that export bans, in theshort run, are associated with lower domestic prices, lower relative prices, and less seasonality in prices in Malawi.This is after accounting for harvest levels and the existence of trade restrictions in neighboring countries.The short-run effects of the export bans help explain why policymakers are likely to engage in the use of suchpolicies. However, the welfare analysis shows that the welfare gains and poverty reduction effects are small inmagnitude and likely to be offset by the long-run distortionary effects of restrictive trade policies.

Keywords: International Trade and Trade Rules; Food Security; Rules of Origin; Trade Policy; Trade and Multilateral Issues; Inequality (search for similar items in EconPapers)
Date: 2020-10-13
New Economics Papers: this item is included in nep-agr and nep-int
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Persistent link: https://EconPapers.repec.org/RePEc:wbk:wbrwps:9436

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