This paper is concerned with the urban wage premium and addresses two central issues about which the field has not yet reached a consensus. First, the extent to which sorting of high ability individuals into urban areas explains the urban wage premium. Second, whether workers receive this wage...

This paper is concerned with the urban wage premium and addresses two central issues about which the field has not yet reached a consensus: first, the extent to which sorting of high ability individuals into urban areas explains the urban wage premium and second, whether workers receive this...

A growing wave of co-location programmes promises to boost growth for entrepreneurs and young firms. Despite great public and policy interest we have little idea whether such programmes are effective. This paper categorises accelerators and incubators within a larger family of co-location...

This paper is concerned with the urban wage premium and addresses two central issues about which the field has not yet reached a consensus. First, the extent to which sorting of high ability individuals into urban areas explains the urban wage premium. Second, whether workers receive this wage...

CEO incentive contracts are commonplace in China but their incidence varies significantly across Chinese cities. We show that city and provincial policy experiments help explain this variance. We examine the role of two policy experiments: the use of Special Economic Zones (SEZs) to attract...

Why are some cities specialised and others diversified? What are the advantages and disadvantages of urban specialisation and diversity? To what extent does the structure of cities, and the activities of the firms and people in them, change over time? How does the sectoral composition of cities...

We document and then develop a model explaining and relating changes in firms'' organisation and in urban structure. Sharing of business services by headquarters and of sector-specific intermediates by production plants within a city reduces costs, while congestion increases with city size. A...