To encourage worker productivity offices prohibit Internet use. Consequently, many employees delay Internet activity to the end of the workday. Recent work in social psychology, however, suggests that using willpower to delay gratification can negatively impact performance. We report data from...

This paper explores the introduction of collective risk-sharing elements in defined contri-bution pension contracts. We consider status-contingent, age-contingent and asset contingent risk-sharing arrangements. All arrangements raise aggregate welfare, as measured by equiva- lent variations....

This paper analyses the repercussions of the high level of criminal violence in Latin America on the economy of the countries of the region. The theoretical reflections are accompanied by an empirical study using panel data made up of sixteen countries and covering the period 1979-2001. The use...