This paper evaluates the heterogeneous effect of health insurance on out-of-pocket healthcare expenditure (OOPHE), using merged data from the Ghana Living Standards Survey and Ghana Health Service reports. It applies conditional-mixed process and censored quantile instrumental variable...

Charitable giving has increasingly become ‘tough love’ - it has come to require recipients to undertake costly prior action. A common justification is that of greater efficiency: willingness to undertake costly actions signals greater productivity from transfers. However, there is a...

In developing societies, social norms typically ascribe differential weights to paternal, maternal and communal (or state) contributions to children’s expenses. Individuals internalize these valuations. I examine a Cournot model of voluntary contribution to children’s goods in a twoadult...

We examine how group-specific differences in reservation wage, arising due to asymmetries in social entitlements, impact on distribution via the joint determination of class conflict between workers and employers, and 'ethnic' conflict among workers. We model a two-dimensional contest, where two...

Since the 1994 devaluation, growth has been quite strong in Mali (about 5% p.a. on average), but much weaker in terms of GDP per person (about 2.6% p.a.) due to a very high index of fecundity. Growth is still very unstable, due to a large share of agriculture in GDP and very sensitive to...