A general equilibrium framework for the food marketing system
构建了一个分析食品营销利润和食品系统的一般均衡框架，将农业生产、食品加工和批发零售活动分解，并引入要素市场和其他经济部门的闭合条件，研究了收入增长对农场到零售价格差的影响。
This paper develops a general framework for the analysis of marketing margins and the food system. It extends previous work by: (i) disaggregating farm-level production, food processing and food wholesale/retail activities, (ii) introducing closure with respect to factor markets and the rest of the economy, and (iii) introducing closure with respect to production and consumption in other regions. An analysis of the impact of income growth on the farm-retail price spread is shown to be dependent on the source of the income growth