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Farmers' Subjective Valuation of Subsistence Crops: The Case of Traditional Maize in Mexico AgEcon
Arslan, Aslihan; Taylor, J. Edward.
Shadow prices guide farmers' resource allocations, but for subsistence farmers growing traditional crops, shadow prices may bear little relationship with market prices. We econometrically estimate shadow prices of maize using data from a nationally representative survey of rural households in Mexico. Shadow prices are significantly higher than the market price for traditional but not improved maize varieties. They are particularly high in the indigenous areas of southern and southeastern Mexico, indicating large de facto incentives to maintain traditional maize there.
Tipo: Working or Discussion Paper Palavras-chave: Shadow prices; Non-market values; Supply response; Traditional crops; Onfarm conservation; Mexico; Agricultural and Food Policy; Community/Rural/Urban Development; International Development; O12; O13; Q12; Q39.
Ano: 2008 URL: http://purl.umn.edu/44488
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Non-Market Values and Optimal Marine Reserve Switching AgEcon
Yamazaki, Satoshi; Grafton, R. Quentin; Kompas, Tom.
A stochastic bio-economic model is constructed to analyse the effects of marine reserve ‘switching’ between a ‘no take’ area and a harvested area. The model accounts for both market and non-market values of the fishery. Estimated parameters from the red throat emperor fishery from the Great Barrier Reef are used. Simulations show that an optimal switching strategy is, under a range of scenarios, preferred to fixed reserve and no reserve strategies. An important outcome is that the non-market values associated with the size of the fishery substantially affect both the returns from switching and the closure time.
Tipo: Report Palavras-chave: Marine reserves; Stochastic control; Non-market values; Environmental Economics and Policy; Research Methods/ Statistical Methods; C61; Q22.
Ano: 2009 URL: http://purl.umn.edu/94825
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