Recent years have witnessed a growing interest in causal realism in th
e methodology of economics. Some of this literature reflects a strong
scepticism about the existence of sharp event-regularities or claws' i
n the economic realm and, accordingly, about the prospects for the cov
ering-law approach to explanation that dominates modern economic theor
y. This paper outlines an alternative, causal, approach to economic ex
planation and attempts to answer an important question often asked abo
ut it: how should causal economic explanations be assessed?