Though there has been some debate over the practical efficacy of using binary lotteries for controlling risk preferences in experimental environments, the question of its theoretical validity within the contexts it is often used, namely multi-stage multi-agent settings, has not been addressed....

The EU is gradually systematizing its approach to ex ante regulation (notably with the publication of the recent regulatory framework for Electronic communications). Market definition is viewed as an essential first step in this, with the 'Hypothetical Monopoly Test' a useful conceptual tool for...

Littering and rubbish collection involve a divergence between private and social costs. This note suggests there is a need to consider these two problems jointly: viewed in isolation, a user charge for rubbish collection has often been suggested as a means of internalizing the waste management...