Measuring the Economic Impact of Climate Change on Ethiopian Agriculture : Ricardian Approach

afforestation agricultural land agricultural production agronomic practices agronomy altitude arable land atmosphere barley beans carbon carbon dioxide cash crops cereal crops cereals chickpeas climate climate change climate models climate system climate variability co2 coffee condensation cotton crop production crop yield cropland cropping patterns cultivation dates decision making deforestation developed countries drainage drought dry season ecological zones ecology economic analysis economic conditions economic development economic growth economic impact economics energy balance environmental economics equilibrium fao farm income farm management farmer farmers farming farming systems farms fertilization fertilizers fibers field crops flooding food crops food production food security forestry fossil fuels fruits fuelwood garlic global warming grain grasses greenhouse effect greenhouse gases gross domestic product groundnuts harvesting hydrology income insect pests irrigation land degradation land productivity land tenure land use lentils maize malaria marginal analysis market prices meat meteorology millet natural resources oats overgrazing papaya peas pepper perennial crops perennials photosynthesis planting population growth precipitation produce production functions productivity pulses rainfall rapeseed rice rivers runoff seed seeds sesame single crop sisal soil soil fertility soil quality soil types sorghum sowing spices spring sugar sugar cane tea temperature temperature data tenure tillage tilling tobacco tubers variable costs vegetables vegetation volcanic eruptions weeds wheat wind winter wheat world meteorological organization yams