This chapter describes how the spatial distribution of economic activity changes as economies develop and grow. We start with the relation between development and rural-urban migration. Moving beyond the coarse rural-urban distinction, we then focus on the continuum of locations in an economy...

This paper examines the relationship between openness and within-country regional inequality across 28 countries over the period 1975-2005. In particular, it tests a) whether increases in trade lead to rising inequalities, b) whether these inequalities recede in time, and c) whether increases in...

We present a theory of spatial development. A continuum of locations in a geographic area choose each period how much to innovate (if at all) in manufacturing and services. Locations can trade subject to transport costs and technology diffuses spatially across locations. The result is an...

Are product standards protectionism in disguise? This paper estimates the costs of non-compliance with U.S. product standards, using a new database on U.S. import refusals from 2002 to 2012. We find that import refusals significantly decrease exports to the United States. This trade reducing...

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...

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...

A key driver of foreign investment in land, food security is a challenge mankind has been confronted with in various times and places. Wherever human societies have developed, growing needs have led to increasing arable land, and when land has been limited by nature or wars, food shortages...