productivity using a quantitative sectoral model featuring a distribution of farms. Measured aggregate factors (capital, land …, economy-wide productivity) account for ? of the observed differences in farm size and productivity. Policies and institutions …-size distortions which together with aggregate factors accounts for ? of the cross-country differences in size and productivity. …

This paper shows that using yields may not be informative of the relationship between farm size and productivity in the … context of small-scale farming. This occurs because, in addition to productivity, yields pick up size-dependent market … distortions and decreasing returns to scale. As a result, a positive relationship between farm productivity and land size may turn …