Unofficial DevelopmentAssistance:AModel of Development Charities’Donation Income*

The empirical literature on the determinants of charities’ donation income, distinguishing the charitable cause, is small. We consider the case of development charities specifically. Using a panel covering a quarter of a century, we observe a strong fundraising effect and a unitary household income elasticity. We find evidence that the conventionally identified ‘price’effectmay simply be the product of omitted variable bias. Our results further suggest that public spending on development crowds in private donations for development.We find a positive spillover effect of fundraising, suggesting the efforts of one development charity may increase contributions to other development charities.