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Periodical article Periodical article Leiden University catalogue Leiden University catalogue WorldCat catalogue WorldCat
Title:Rural policies, price change and poverty in Tanzania: an agricultural household model-based assessment
Authors:Tiberti, Luca
Tiberti, Marco
Year:2015
Periodical:Journal of African Economies (ISSN 0963-8024)
Volume:24
Issue:2
Pages:193-229
Language:English
Geographic term:Tanzania
Subjects:rural households
food prices
agricultural policy
economic models
Link:http://jae.oxfordjournals.org/content/24/2/193.abstract
Abstract:Exogenous shocks to farmers' consumption, production and labour market decisions are rarely considered accurately. For farm households, under labour market imperfections, such decisions are often interlinked. This calls for non-separable agricultural household models. According to this framework, second-order (or behavioural) effects include a direct (i.e., supply or demand reactions due to an exogenous shock) and an indirect (i.e., supply or demand adjustments to the endogenous variations in the shadow wage generated by the exogenous shock) component. Under large price changes or following structural interventions, such as those concerning land redistribution or mechanisation practices, neglecting such second-order effects on consumption and production can bias the final impact on household welfare. The main objective of this study is thus to develop a robust and comprehensive tool to evaluate the effect on household welfare of different agricultural policies in Tanzania and food price changes. A two-stage estimation strategy is adopted: the shadow price of labour is first estimated and then used to estimate production and demand systems as well as labour market functions. These models are subsequently used to simulate the effect on household welfare of a hypothetical 40% increase in the price of cereals and other crops and a hypothetical 10% increase in the hectares of arable land and in the use of ox-ploughs. The results are finally compared with the case in which a separable model is adopted. Bibliogr., notes, ref., sum. [Journal abstract]
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