Dominant Assurance Contract
An assurance contract, also known as a provision point mechanism, or crowdaction, is a Mechanism design, game-theoretic mechanism and a Financial engineering, financial technology that facilitates the voluntary creation of Public good (economics), public goods and club goods in the face of Collective_action#Collective_action_problem, collective action problems such as the free rider problem. The free rider problem is that there may be actions that would benefit a large group of people, but once the action is taken, there is no way to exclude those who did not pay for the action from the benefits. This leads to a game theory, game theoretic problem: all members of a group might be better off if an action were taken, and the members of the group contributed to the cost of the action, but many members of the group may make the perfectly rational decision to let others pay for it, then reap the benefits for free, possibly with the result that no action is taken. The result of this ...
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Mechanism Design
Mechanism design (sometimes implementation theory or institution design) is a branch of economics and game theory. It studies how to construct rules—called Game form, mechanisms or institutions—that produce good outcomes according to Social welfare function, some predefined metric, even when the designer does not know the players' true preferences or what information they have. Mechanism design thus focuses on the study of solution concepts for a class of private-information games. Mechanism design has broad applications, including traditional domains of economics such as market design, but also political science (through voting theory). It is a foundational component in the operation of the internet, being used in networked systems (such as inter-domain routing), e-commerce, and Sponsored search auction, advertisement auctions by Facebook and Google. Because it starts with the end of the game (a particular result), then works backwards to find a game that implements it, it ...
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