We analyze investment decisions when information is costly, with and without delegation to an agent. We use a rational-inattention model and compare it with a canonical signal-extraction model. We identify three "investment conditions". In "sour" conditions, no information is acquired and no...

The marriage of Ferdinand of Aragon and Isabella of Castile in 1469 began the process of the eventual unification of Spain. Over the ensuing decades, Spain finally conquered the Muslims at Granada in 1492 and completed the Reconquista. Spain then began a period of imperial expansion with...

Does a location's growth benefit or suffer from being geographically close to large economic centers? Spatial proximity may lead to competition and hurt growth, but it may also generate positive spillovers and enhance growth. Using data on U.S. counties and metro areas for the period 1840-2017,...

In this paper I review evidence on the long-run relation between height and economic development in Italy. I ask three questions: What are the long-run trends of mean height and real incomes in Italy? What do we know about height dispersion? What other aspects of the distribution of height...

The Black Death killed 40% of Europe's population between 1347-1352, making it one of the largest shocks in the history of mankind. Despite its historical importance, little is known about its spatial effects and the effects of pandemics more generally. Using a novel dataset that provides...

The study develops two new real wages series for Germany c. 1500-1850 and analyzes their relationship with population size. From 1690 data density allows the estimation of a structural time series model of this relationship. The major results are the following: First, there was a strong negative...

A new urban revolution begun in the second half of the XX century and it is going to challenge the relation between the size and economic role of cities: on one side, the last decades have witnessed the emergence and the never seen growth of a number of Mega-cities, with more than 9 million...

China is well-placed to avoid the so-called “middle-income trap” and to continue to converge towards the more advanced economies, even though growth is likely to slow from near double-digit rates in the first decade of this millennium to around 7% at the 2020 horizon. However, in order to...