Based on Grossman and Esteban's (2008) task service model, this paper derives a mathematical model of how productive service trade competitiveness affects manufacturing firms’ production costs, and a theoretical model of how productive service…
Based on primary data of 473 lentil farmers and 155 lentil traders selected randomly, the study was designed to analyze lentils farm profitability, efficiency, commodity value chain, market structure and marketing efficiency. Also, secondary data…