Economics has always had two connected faces in its Western tradition. In Adam Smith's eighteenth century, as in John Stuart Mill's nineteenth, these might be described as the science of political economy and the art of economic governance. The former aimed to describe the workings of the...

The task of economic planning in the new nation of Nigeria in theearly 1960s tested the limits of economic technologies: its recipesfor development, its possibilities of measurement, and fromdifferences in political economy. These dimensions of the problembeset not only the Nigerian politicians...