A model is developed for peasant households in land abundant areas who choose between two technologies for land preparation: a manual one and one using draught animals. For draught a minimum number of animals is required so that a technological non convexity exists. It follows that certain...

During the last five decades, policy approaches towards food security have promoted input-intensive agricultural technologies to increase global food production. However, there are concerns about the environmental, social and economic sustainability of this strategy. Environmental degradation...