This chapter reviews academic research on the connections between agglomeration and
innovation. We first describe the conceptual distinctions between invention and innovation …

We propose an integrated framework to discuss the empirical literature on the local
determinants of agglomeration effects. We start by presenting the theoretical mechanisms …

Place-based policies commonly target underperforming areas, such as deteriorating
downtown business districts and disadvantaged regions. Principal examples include …

Science, technology, engineering, and mathematics (STEM) workers are fundamental inputs
for innovation, the main driver of productivity growth. We identify the long-run effect of STEM …

This paper develops a quantitative model of internal city structure that features
agglomeration and dispersion forces and an arbitrary number of heterogeneous city blocks …

Using comprehensive data for German establishments, we estimate plant-level production
functions to analyze if “cultural diversity” affects total factor productivity. We distinguish …

In this chapter, we analyze immigration and its effect on urban and regional economies
focusing on productivity and labor markets. While immigration policies are typically national …

This paper evaluates the global welfare impact of observed levels of migration using a
quantitative multi-sector model of the world economy calibrated to aggregate and firm-level …

What is the effect of an increase in the stock of human capital due to skilled immigration on
the innovative performance of recipient economies? Combining firm‐level micro‐data with …

In this paper, we quantify the effect of a complete liberalization of cross‐border migration on
the world GDP and its distribution across regions. We build a general equilibrium model …