The Coleman Power of the Collectivity to Act (CPCA) is a popular statistic that reflects the ability of a committee to pass a proposal. Applying the Shapley value to this measure, we derive a new power index that indicates each voter's contribution to the CPCA. This index is characterized by...

In the absence of externalities, marginality is equivalent to an independence property that rests on Harsanyi‘s dividends. These dividends identify the surplus inherent to each coalition. Independence states that a player‘s payoff stays the same if only dividends of coalitions to which this...

Basic decision and preference theory -- Household theory and theory of the firm -- Games and industrial organization -- Bargaining theory and Pareto optimality -- Bayesian games and mechanism design -- Perfect competition and competition policy -- Contracts and principal-agent theories.