This note lays out the basic Susceptible-Infected-Recovered (SIR) epidemiological model of contagion, with a target audience of economists who want a framework for understanding the effects of social distancing and containment policies on the evolution of contagion and interactions with the...

Victory in the War for Independence brought a vast amount of land within the grasp of the new American nation -- territory stretching from the Appalachian Mountains to the Mississippi River between the southern shores of the Great Lakes and Spanish Florida. These lands were initially claimed by...

While most contemporary historians agree that the use of debt peonage as a coercive labor contract in Mexico was not widespread, scholars still concur that it was important and pervasive in Yucatan state during the henequen boom of the late 19th and early 20th centuries. The henequen boom...

We study the emergence of urban self-governance during the Commercial Revolution in the 12th- 13th century and show that municipal autonomy shaped national institutions over the subsequent centuries. We focus on England after the Norman Conquest of 1066 and build a novel comprehensive dataset of...

We study the link between fiscal austerity and Nazi electoral success. Voting data from a thousand districts and a hundred cities for four elections between 1930 and 1933 shows that areas more affected by austerity (spending cuts and tax increases) had relatively higher vote shares for the Nazi...

Scholars have attempted to explain geographic clustering in inventive activity by arguing that it is connected with clustering in production or new investment. They have offered three possible reasons for this link: because invention occurs as a result of learning by doing; because new...

This paper develops an analytical framework for studying colonial investment from the perspective of neoclassical political economy. The distinguishing feature of colonial investment in this model is that the metropolitan government restricts the amount of investment in the colony in order to...

There are some striking similarities between the pre 1914 gold standard and EMU today. Both arrangements are based on fixed exchange rates, monetary and fiscal orthodoxy. Each regime gave easy access by financially underdeveloped peripheral countries to capital from the core countries. But the...

This paper replicates a classic study of the American business elite. The older study done a half-century ago, reported the composition of business leaders a century ago. I have" drawn a sample of business leaders today to discover how much the composition of the" American business elite has...

The use of historical data has become a standard tool in economics, serving three main purposes: to examine the influence of the past on current economic outcomes; to use unique natural experiments to test modern economic theories; and to use modern economic theories to refine our understanding...