A Model of Price Determination for Fresh Produce with Application to California Iceberg Lettuce
针对生鲜农产品易腐性导致短期供给固定的特点，构建了一个允许不完全竞争的短期农场价格决定模型，并应用于加州冰山莴苣市场，发现零售商/买方获取了大部分租金。
Abstract Most fresh produce commodities are highly perishable. Thus, supply at any time is fixed at prices above marginal harvest costs. In this paper we develop a model of short‐run farm price determination for produce commodities that incorporates this key structural feature and also allows for imperfect competition in price determination. The model is empirically manifest in a switching regression framework and applied to California iceberg lettuce. Results support the general model relative to a model restricted to competitive behavior and suggest that retailer/buyers capture most of the rents from lettuce production and sale.