Cash, crops and cattle. A study of rural livelihoods in Botswana

agriculture de transition botswana bovin cambio estructural cattle changement structurel crops cultivos economic crises economic development economic situation ganado bovino hogares households income informal sector living standards niveau de vie nivel de vida petite exploitation agricole plante de culture pobreza poverty relaciones campo ciudad relation ville campagne renta revenu rural areas rural urban relations secteur informel sector informal small farms structural change transitional farming zonas rurales zone rurale