We use data from the Ethiopia Rural Household Survey and the Ethiopian Central Statistics Agency to demonstrate a set of techniques for estimating optimal investment allocation in smallholder farming. The approaches treat farming tasks, constraints, and investments as a portfolio problem,...

In this paper, I explore the reactions of financial amrket participants to news relating to the Kimberley Process Certification Scheme (KPCS), a body that regulates aspects of global diamond production and trade.  I use an event study approach with data on the returns for shares of leading...

In this paper, I explore the reactions of financial market participants to news relating to the Kimberley Process Certification Scheme (KPCS), a body that regulates aspects of global diamond production and trade. I use an event study approach with data on the returns for shares of leading global...

In this paper, I use an event study approach to investigate the claim that conflict minerals legislation in the United States (US) led to a ban on some mining exports from the Democratic Republc of the Congo (DRC), and that the passage of US regulation caused a ban on both production and trade...