In his 1966 Inaugural Lecture at Cambridge, entitled On the Causes of the Slow Rate of Economic Growth in the UK, the Hungarian-born British economist, Nicholas Kaldor presented a series of "laws" to account for the growth rate differences between Britain on the one hand, and the more successful...

Rwanda is not on track to achieve most of the Millennium Development Goals at a time when hopes for scaled-up aid are mixed with concerns that, in the context of the global economic crisis, aid instead will be scaled down. This paper analyzes the effects of alternative scenarios for grant aid,...

This paper examines the possibility of environmental "development traps," or "brown poverty traps," caused by interactions between the impacts of climate change and increasing returns in the development of "clean-technology" sectors. A simple specification is used in which the economy can...