We show that the creation of the first integrated pan-European transport network during Roman times influences economic integration over two millennia. Drawing on spatially highly disaggregated data on excavated Roman ceramics, we document that interregional trade was strongly influenced by...

This paper answers fundamental questions that have preoccupied modern economic thought since the 18th century. What is the aggregate real rate of return in the economy? Is it higher than the growth rate of the economy and, if so, by how much? Is there a tendency for returns to fall in the...

This paper studies external sovereign bonds as an asset class. We compile a new database of 220,000 monthly prices of foreign-currency government bonds traded in London and New York between 1815 (the Battle of Waterloo) and 2016, covering 91 countries. Our main insight is that, as in equity...

We examine how financial crises redistribute risk, employing novel empirical methods and micro data from the largest financial crisis of the 20th century - the Great Depression. Using balance-sheet and systemic risk measures at the bank level, we build an econometric model with incidental...

This paper uses data from the 1980 and 1990 U.S. Census of Population to examine the English language skills of natives and immigrants. The first main finding is that lack of fluency in spoken English is rare among native- born Americans. In 1990, 98.4 % of natives aged 18 to 64 reported to the...

Measures of productivity growth typically include in the Productivity "residual" the impacts of subequilibrium from fixity of factors, costs of adjustment, returns to scale and markups. This paper proposes a general two part framework for adjusting the residual measure to take these impacts into...

Has economic progress increased the relative earnings of females to males over the long run? Evidence on trends in the earnings gap for the last four decades appears to run counter to this hypothesis. Numerous data sources are used in this paper to piece together a 170-year history of the...

This paper discusses a portion of our work linking data on the agriculture sector in the United States and Canada. The purpose of this work is to explore the evolution of gains in agricultural productivity in the two countries during the post-WWII period. Comparable data has been developed for...

In this paper we calculate and analyze the automobile industries cost and productivity experience during the 1970 's in Canada, the U.S.and Japan. Utilizing an econometric cost function methodology, we are able to isolate the major source of short-run disequilibrium in this industry-variations'...

This paper -- prepared for and presented at a meeting of the Conference on Research in Income and Wealth -- describes a set of seven capital stock estimates for the U.S., distributed at decennial intervals, 1840 through 1900.The estimates link with Raymond Goldsmith's work on the twentieth...