Food Prices, Road Infrastructure, and Market Integration in Central and Eastern Africa

access to markets agricultural commodities agricultural economics arbitrage cash transfers commerce consumer prices crossing developing countries domestic markets food aid food insecurity food prices food products food security food shortages food supply food surplus government intervention international bank international trade maize market competition market segmentation marketing mills opportunity costs potatoes price volatility purchasing retail roads safety staple foods surplus sweet potatoes telecommunications trade liberalization trains transaction costs transport transportation vehicles volatility wfp wheat wholesale prices