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Abstract. Using data from 1972 to 2011 on 109 countries, this paper empirically studies the impact of economic freedom on human capital investment. Enrollment in secondary education is used as a proxy for such investments. Controlling for a large number of other determinants of education, it finds that, over the sample period, economic freedom had a substantial positive effect. This is probably because more economic freedom increases the return on investing in human capital, enables people to keep a larger share of the return, and, by facilitating the operation of credit markets, makes it easier for them to undertake such investments in the first place.

Using data from 19 industrial countries for the period 1985 to 2002, this paper analyzes how the size of the government sector affects unemployment. Controlling for the impact of the business cycle as well as for the impact of all major labor market institutions and unobserved country effects, we find that a large government sector is likely to increase unemployment. It appears to have a particularly detrimental effect on women and the low skilled and to substantially increase long-term unemployment. It seems that dominant stateowned enterprises, a large share of public investment in total investment as well as high top marginal income tax rates and low income threshold levels at which they apply are particularly detrimental. Copyright Springer Science+Business Media, Inc. 2006

The integrated use of biconical traps, insecticide-impregnated targets and the sterile insect technique was developed for the eradication of Glossina palpalis palpalis (Robineau-Desvoidy) in a 1500-km 2 area of central Nigeria. Six weeks or more of continuous removal trapping, using biconical traps, reduced the target tsetse population by more than 90% but failed to eradicate it. Males sterilized by irradiation from a ^Co source that were then released weekly induced significant sterility in target females and were successful in helping to eradicate the target population. A minimum ratio of 10:1 of sterile to wild males was required to achieve eradication in a central area of 300 km 2 . In marginal habitats, insecticide-impregnated targets were found adequate to control the tsetse population. The targets were also efficient as barriers to prevent reinvasion of the area. The combined effect of removal trapping and sterile male release is expected to eradicate G. p. palpalis from the entire study area.

Corruption, Employment, Regulation, Unemployment, J21, J23, J64, K23, L51,

Using data on 17 industrial countries from 1982 to 2003 and controlling for a wide array of factors, this paper finds that higher exchange rate volatility increases the unemployment rate.The magnitude of the effect is small. The results are robust to variations in specification.JEL classification: E24, F31, F41, J64