background: the first step of solid waste management is identification of its composition and the amount of solid waste production per capita. the aim of this research was to estimate the quantity of solid waste production at mazandaran university of medical sciences and the possibility of recycling. methods: this study was a cross-sectional study. the quantity of solid waste production was mea...

the management of hospital wastes is of high importance, because of their infectious and hazardous potential. this is a cross-sectional study based on questionnaire, interview, observation and meetings performed in major mashhad hospitals in 2009. weight and per capita waste production were determined. moreover, the status of production, separation, storage, collection, treatment, transportatio...

Using transnational terrorism data from 1980 to 2000, this study empirically examines the relationships between frequency of participation in transnational terrorism acts and economic development and education improvement. We find an inverse U-shaped association between the frequency of various nationals acting as perpetrators in transnational terrorism acts and per capita income in their respe...

Due to the importance of the government size impact on economic growth, the current study investigates the impact of government size on economic growth in economies of the developed and developing countries by using a panel data approach over the period 1990-2010. The results indicate that government size has positive effect on economic growth and negative effect on per capita production growth...

China has to feed 20% of the global population with only about 5% of the planet's water resources and 7% of its arable land. With such limited natural conditions, however, China's grain production has increased from about 200 kg per capita in 1949 to about 400 kg in the early 1990s. Hunger as a social problem has largely disappeared after being prevalent in China for several thousand years with...