Many countries in the developed world are ageing in terms of their distribution of population. Conversely, a number of countries in the south have younger population. India for example, has 60% of its population in the age group of 15-59, with the mean age close to 27 years as of present times....

The typical identification strategy in aid effectiveness studies assumes donor motives do not influence the impact of aid on growth. We call this homogeneity assumption into question, first constructing a model in which donor motives matter and then testing the assumption empirically. -- Aid ;...