We study the long-term determinants of the high rates of HIV infection in sub-Saharan Africa, particularly among women, with a focus on family structure and sexual behavior as shaped by the demographic shock following the transatlantic slave trade. First we show that, in clusters where polygyny...

Using an extensive survey addressing risk factors faced by the population in the shantytowns of Fortaleza, Brazil, the aim of this paper is to study interactions among different types of risk-taking behavior by youth, namely drug use and teenage pregnancy. We check the impact of factors such as...

It has been recently recognized that there is difference of preference between smokers and non-smokers. That is, smokers tend to be more impatient and prefer immediate benefits compared with non-smokers. If people follow their primitive instincts they will engage in sexual behavior. Hence,...

We study the long-term determinants of the high rates of HIV infection in sub-Saharan Africa, particularly among women, with a focus on family structure and sexual behavior as shaped by the demographic shock following the transatlantic slave trade. First we show that, in clusters where polygyny...

The prevailing belief is that local governments, which are closer to their citizens, can deliver public goods much more efficiently than a central government can. Yet skeptics argue that fiscal decentralization can be dangerous. The underlying motivation of this article is to review the basic...

This paper draws together, in the form of a survey, a number of different aspects of the United Kingdom?s international migration experience since the Second World War. The areas covered include changes in the volume and composition of international migration and the factors influencing...

On their intensive margins, firms in the British engineering industry adjusted to the severe falls in demand during the 1930s Depression by cutting hours of work. This provided an important means of reducing labour input and marginal labour costs, through movements from overtime to short-time...

How important was coal to the Industrial Revolution? Despite the huge growth of output, and the grip of coal and steam on the popular image of the Industrial Revolution, recent cliometric accounts have assumed coal mining mattered little to the Industrial Revolution. In contrast both E. A....