This article presents an empirical study of thirteen derivative markets for commodity and financial assets. This paper goes beyond statistical analysis by including the maturity as a variable for futures contracts’s daily returns, from 1998 to 2010 and for delivery dates up to 120 months. We...

Objectives : The absence of disease or disability and active involvement in society are considered as essential dimensions of successful ageing. To assess these concepts, we propose a new indicator the Healthy Working Life Expectancy (HWLE) that associates health status and productive...

This note is a reflection on the meaning and scope of segregation and socio-spatial fragmentation indicators and, beyond, on the role of statistics in sociological reasoning. It shows that if these indicators can be used to test theories of segregation or fragmentation, they must nevertheless...

The Kyoto Protocol was the first implementation of a concerted international action tackling the risks raised by climate change. In the long run, it could become the driving force of a drastic shift in the way our societies operate. The enforcement of quotas on greenhouse gas emissions and the...

While mobile data services in Europe have failed to trigger fresh growth in the mobile telecommunications market to-date, Japan and Korea are now considered the "champions" of mobile multimedia services. Through identification and analysis of success factors in these two countries, this paper...

This paper provides an econometric evaluation of the impact of two innovative care programs for elderly people with dementia (day-care centers and group-living) on the well-being of the primary caregiver of patients. For this evaluation, we use data from a survey conducted in six European...