The omission of relevant independent variables in the estimation of agricultural production functions gives rise to mis-specification and biased estimators. Using disaggregated household survey data, this study finds that official positions and education of household heads are important...

Income is one measure of material well-being. But do the people with the lowest income also work the longest hours? Are they also malnuourished and unable to read? Do social isolation and ill-health compound the hardships of low income? On the evidence presented in this paper the answer for poor...