In many developing countries, a modern sector coexists with a traditional, informal, sector often intensive in child labor. In such a setting, when parents care about both the number and wellbeing of offsping, but also attach an economic value to children, there is a positive association between...

If they are to be attained, the objectives set in the Kyoto Protocol will impose fundamental changes on the structure of North America's economy. This text highlights the extent of the Kyoto challenge by clearly describing the historical inertia in terms of total market shares for different...

There exists an explicit formula for the equilibrium strategies of the first price auction only in the symmetric case where the bidders’ valuations are distributed identically. The first price auction is considerably more difficult to investigate in the general case where the valuations may be...