Various research of experts prove that the existence of environmental sustainability in danger significantly. Unlike the non-ecological problems, the ecological crisis can not be ignored. Human passivity and activity in response to these problems will determine the story way of environmental...

In the latest development of cosmological theory, which one of them is the Big Bang, most religious circles, and some scientists, see this as an affirmative sign of creation tradition based on the Scriptures. At the same time, on the other hand, not a few argued that the development of...

A common question always had been of interest to understand as to how people make decisions. It is well known that decisions are not made in isolation but they are the products of influence and confluence of social correlates. Studies of some Sociologists report that often decisions are made in...

This book organized by Alice Abreu, actual President of ISA-RC30 “Sociology of Work”, is a follow up of an international seminar on the same theme of the title, held in September 1997 also in Rio de Janeiro (Brazil). In this book are published papers presented on Latin American case studies,...

We investigate incentive effects of a typical hedge-fund contract for a manager with power utility. With a one-year horizon, she displays risk-taking that varies dramatically with fund value. We extend the model to multiple yearly evaluation periods and find her risk-taking is rapidly moderated...