Subsistence Response to Market Shocks
通过整合异质性农户的微观经济模型到一般均衡框架,发现生存型农户的供给可能对产出市场价格变化做出看似反常的响应,例如玉米价格下降反而刺激其增产,但实际收入下降。
Microeconomic models posit that transaction costs isolate subsistence producers from output market shocks. We integrate microeconomic models of many heterogeneous households into a general equilibrium model and show that supply on subsistence farms may respond, in apparently perverse ways, to changes in output market prices. Price shocks in markets for staple goods are transmitted to subsistence producers through interactions in factor markets. In the case presented, a decrease in the market price of maize reduces wages and land rents, stimulating maize production by subsistence households; however, real incomes of subsistence households fall.