This paper proposes a simple theory of a system of cities that decomposes the determinants of the city size distribution into three main components: efficiency, amenities, and frictions. Higher efficiency and better amenities lead to larger cities, but also to greater frictions through...

This paper analyzes United States experience with foreign lending in the half-century from 1920. A first question raised by this experience is what triggered the process of United States foreign lending. I conclude that lending was restrained at the beginning of the period by the debt overhang...

This paper looks at the genesis of innovation in the United States from a territorial perspective. The analysis aims to disentangle the impact of local R&D expenditure from other contextual conditions supportive of the process of innovation. Particular emphasis is devoted to the role of...

The paper analyses the global spillovers of the Federal Reserve’s unconventional monetary policy measures since 2007. First, we find that Fed measures in the early phase of the crisis (QE1), but not since 2010 (QE2), were highly effective in lowering sovereign yields and raising equity markets...

Innovation is a crucial driver of urban and regional economic success. Innovative cities and regions tend to grow faster and have higher average wages. Little research, however, has considered the potential negative consequences: as a small body of innovators gain relative to others, innovation...

This Paper assesses the foreign lobbying forces behind the tariff preferences that the United States grants to Latin American countries. The basic framework is one developed by Grossman and Helpman (1994) that is extended to explain the relationship between foreign lobbying and tariff...

This paper studies the dynamic behaviour of changes in productivity, wages, and prices. Results are based on a new data set that allows a consistent analysis of the aggregate economy, the manufacturing sector, and the non-manufacturing sector. Results are presented for the United States, Japan,...

Swedish census data and tax records reveal an astonishing wage compression; the Swedish skill premium fell by more than 30 percent between 1970 and 1990 while the U.S. skill premium, after an initial decline in the 1970s, rose by 8-10 percent. Since then both skill premia have increased by...