This Paper examines city formation in a country whose urban population is growing steadily over time, with new cities required to accommodate this growth. In contrast to most of the literature there is immobility of housing and urban infrastructure, and investment in these assets is taken on the...

Empirical studies consistently report that labour productivity and TFP rise with city size. The reason is that cities attract the most productive agents, select the best of them, and make the selected ones even more productive via various agglomeration economies. This paper provides a...

We develop a new methodology for quantifying the tasks undertaken within occupations using 3,000 verbs from around 12,000 occupational descriptions in the Dictionary of Occupational Titles (DOTs). Using micro-data from the United States from 1880-2000, we find an increase in the employment share...

The objective of this paper is to estimate the potential pro-poor bias in the existing structure of protection in six countries in Sub-Saharan Africa (SSA) (i.e., whether it redistributes income from rich to poor households). We also explore the extent to which the barriers faced by SSA...

Initiatives to improve market access for the poorest countries have recently been announced by the European Union, Japan and the United States. This Paper assesses the impact on Sub-Saharan Africa (SSA) of these initiatives and others that might be taken. We find that fully unrestricted access...

This paper examines whether, in the presence of trade preferences, Sub-Saharan African economies, and especially its poorest households, could gain from multilateral trade reform. The World Bank’s LINKAGE model of the global economy is employed to examine the impact first of current trade...