Economic measurements are generated by complicated systems of measurement involving economic and bureaucratic processes. Whether these measuring instruments produce reliable numbers: ‘facts’ that travel well, depends on the qualities of these systems. Ideas from metrology, and from the...

The facts of social sciences are ones that stem from scientific expertise, but in the social world, everyone is their own expert. Everyone lives in society, and experiences either first-hand, or closely second-hand, the same phenomena that social scientists investigate. Consequently, people are...

The task of economic planning in the new nation of Nigeria in the early 1960s tested the limits of economic technologies: its recipes for development, its possibilities of measurement, and from differences in political economy. These dimensions of the problem beset not only the Nigerian...