Government intervention in food grain markets. An econometric study of Tanzania

Christopher D. Gerrard, Terry Roe

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10 Scopus citations


Government intervention in food grain markets is a common feature of LDC development efforts. This paper investigates the motivation for and the consequences of such intervention for the case of maize, wheat, and rice markets in Tanzania. The authors formulate and estimate an econometric model for each crop, comprising four government behavioral equations in addition to domestic demand and supply equations and the social accounting identity, that succeeds in explaining government interventions in both the long and short run. The results suggest that the government has been following a policy of relative food grain self-sufficiency that has insulated the domestic market from the international market. A simulation analysis shows that this policy has had a substantial impact on food grain production and external trade.

Original languageEnglish (US)
Pages (from-to)109-132
Number of pages24
JournalJournal of Development Economics
Issue number1-2
StatePublished - 1983

Bibliographical note

Funding Information:
*This research was supported by the Minnesota Agricultural Experiment Sta’im and a USAID Title XII grant. An earlier draft of this paper bvas presented at the Eighth Annual Spring Symposium on Food Problems in Africa, LJniversity of Mmis, April X-24, 4-831 .


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