As the World Summit on Sustainable Development approaches, it is timely to assess our actions on behalf of a more ecologically viable world and the barriers that remain to our realization of this goal. Globalization and sustainable development have emerged as key discourses to evaluate our social and environmental prospects. On the critical issue of limiting trade and economic growth, we find t...

BACKGROUND Prostate cancer (PCa) is the most common cancer affecting men in the United States. The initial treatment and subsequent monitoring of PCa patients places a large burden on U.S. health care systems. The objectives of this study were to estimate the total and disease-related per-patient lifetime costs using a phase-based model of cancer care for PCa patients enrolled in Medicare. ME...

scholars have long been interested in the role of population and its impact on the economy of various countries, hence the theories on the subject. while malthus’ population theory presents a very pessimistic view and is formulated in a context which does not correspond to the conditions of the modern world, it occupies the minds of a majority of economists. it is interesting to know, while mal...

The United States has long been perceived as a land of opportunity for immigrants. Yet, both in the past and today, US natives have expressed concern that immigrants fail to integrate into US society and lower wages for existing workers. This paper reviews the literatures on historical and contemporary migrant flows, yielding new insights on migrant selection, assimilation of immigrants into US...