Children are nowadays seen as self-reliant subjects able to articulate their wishes and to participate in family decisions. International studies have shown that children in Austria participate in family affairs only to a moderate extent. National studies just as well indicate that there is much...

<alinea/> The emergence and spread of the notion of biodiversity since the mid 1980s attest the creation of a new field of action and knowledge at the interface between science and politics, aiming at the appropriation and management of nature. The purpose of this paper is to assess in this respect...

This paper examines the problem of achieving global cooperation to reduce greenhouse gas emissions. Contributions to this problem are reviewed from noncooperative game theory, cooperative game theory, and implementation theory. We examine the solutions to games where players have a continuous...

This paper considers sealed bidding in which bidders may submit two or more bids and after the bids are opened may, perhaps at a cost, withdraw bids that are more aggressive than would be necessary to win. Such withdrawal strategies are sometimes followed, but currently are surreptitious....