A substantial body of theory now exists on economically sound and politically smart ways of jump-starting progress in poor developing countries. At several levels, however, the practice is lagging behind the theory, meaning there is much to learn from any new experiences suggesting precisely how...

There are questions to be asked about the wisdom of spending more aid on tax. Is it simply the case that the nature of current support and the way in which it is delivered is adequate, but that there is just not enough of it? If so, all that is needed is more of the same. Or, do we also need to...