This paper argues that there was enough buying and selling (emptio venditio) in the early Roman Empire to show that there were markets, and there were enough markets at the time that there was a market economy. I use three examples to make these points, one from my research, one from the...

This paper presents a narrative of currency crises for the past two centuries. I use the Swan Diagram as a theoretical framework for this narrative and conclude that many so-called banking crises are in fact currency crises. These crises are caused by capital flows in war and peace and typically...

This paper uses new data to extend the argument that there was an integrated wheat market in the late Roman Republic and early Roman Empire. I explore the meaning of randomness when data are scarce, and I investigate how we recreate the nature of ancient societies by asking new questions that...

This paper recalls the unity of economics and history at MIT before the Second World War, and their divergence thereafter. Economic history at MIT reached its peak in the 1970s with three teachers of the subject to graduates and undergraduates alike. It declined until economic history vanished...