This Paper considers the efficiency and convergence properties of dynamic processes of social and economic interactions, such as exchange economies, multilateral negotiations, merger and divestiture transactions, or legislative bargaining. The key general feature of the economy is that agents...

We consider a bargaining model of the interaction between a government and interest groups in which, unlike existing models, neither side is assumed to have all the bargaining power. The government will then find it optimal to constrain itself in the use of transfer policies to improve its...

This Paper contributes ideas and analysis to the ongoing EU reform debate. It consists of three distinct parts: voting in the Council of Ministers, restructuring the ECB's Governing Council, and the setting of enlargement “examination” dates. The IGC currently focuses on Council voting,...

This Paper studies some of the many options facing EU leaders when choosing a viable voting system for the EU25+. It provides quantitative estimates of the efficiency and power distributions of the various EU voting schemes that are being considered. It also provides intuition on how various...

We present identification and estimation results for the 'collective' model of labour supply in which there are discrete choices, censoring of hours and non-participation in employment. We derive the collective restrictions on labour supply functions and contrast them with restrictions implied...

We examine a stark setting in which security or protection can be provided by self-governing groups of by for-profit entrepreneurs: kings, lords, or mafia dons. Though self-governance is best for the population, it faces problems of long-term viability. Typically, in providing security the...