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 debate about the long-term economic development of China compared with Europe has taken a new turn with the publication of Kenneth Pomeranz’ book on ‘The Great Divergence’, in which he maintains that before the Industrial Revolution the most advanced parts of China (in particular the...

This research explores the origins of the distribution of time preference across regions. It advances the hypothesis, and establishes empirically, that geographical variations in natural land productivity and their impact on the return to agricultural investment have had a persistent effect on...

Many fear China’s accession to WTO will impoverish its farmers, via greater import competition in its agricultural markets. We explore that possibility bearing in mind that, even if producer prices of some (land-intensive) farm products fall, prices of other (labour-intensive) farm and...

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...

The paper extends the theoretical approach in Lazear (1986, 1996) to show that jobs with performance related pay (PRP) attract workers of higher unobservable ability, and also induce workers to provide greater effort. We then test some of the predictions of this model against data from the...