Chapter 4 * reforms of the mode of operation of certain elements of agricultural production and marketing system, such as input supply, research and extension, rural infrastructure, agricultural credits, food buffer stocks, etc. All these issues are closely linked, and close linkages also exist with other elements of macro-economic and structural adjustment policies, specifically to exchange rate policies, trade and institutional reforms. Agricultural sector policies have the most direct, the most comprehensive and the most crucial impacts on the food economy and food security. They determine the prices and volumes of food supplies, the stability of food supplies, the income of agricultural producers (constituting the majority of the population in most developing countries), the volume and efficiency of marketing operations (procurement, storage, transport, distribution), and, last but not least, the real income of consumers. Fig. 4.8 depicts the main lines of impact of agricultural market reform and sectoral adjustment policies on the food economy and on food security. It shows that they affect almost all elements of the meso-micro-economic framework. The main features and effects of the various approaches will be discussed in the subsequent sections. Figure 4.8: Main lines of impact of agricultural sectoral adjustment/market reforms on the food economy and food security - 156 -