In a June, 2009 American Economic Review article entitled "Tricks with Hicks: The EASI Demand System", Arthur Lewbel and Krishna Pendakur proposed the exact affine Stone index demand system. This system allows Engel curve behavior higher than rank 3, demographics, and unobserved heterogeneity in...

Diversification into high-value cash crops among smallholders has been propagated as a strategy to improve welfare in rural areas. However, the extent to which cash crop production spurs projected gains remains an under-researched question, especially in the context of market imperfections...

Exporting has always been thought of as one tool to improve productivity and, consequently, to spur economic growth in low- to middle-income economies. However, empirical evidence of this so-called 'learning-by-exporting' effect has been limited. This article determines whether...