Two methods of calculating the value-added tax (VAT) base, using production and consumption data, respectively, have been applied in different countries to estimate VAT revenue. It is not apparent that these methods should produce the same result for a particular country because each method...

Die seit Ende der 1970er Jahre von Sambia unternommenen wirtschaftlichen Restrukturierungs- und Wiederaufbauprogramme waren allesamt erfolglos. Auch das jüngste Programm, das zu wirtschaftlichem Wachstum und zu Armutsreduzierung führen soll, droht zu scheitern: der öffentliche Haushalt ist...

Prevention of mother-to-child transmission (PMTCT) interventions reduce the cumulative probability of transmission from a HIV positive woman to her child by as much as 40 percentage points. This paper is the first economic analysis of the behavioral effects of PMTCT. I examine fertility...

Copper mining is among the largest economic activities in Zambia, comprising close to ten percent of GDP. Between 2003 and 2008, the price of copper increased by over 400 percent. In response, copper production in Zambia grew by 70 percent and employment in copper mining increased by nearly 200...

This paper examines the effects of antiretroviral therapy (ART) on demand for HIV testing and of ART-induced testing on demand for risky sexual behavior. I provide a model of sexual behavior decision-making under uncertainty and estimate the structural parameters of the model using nationally...