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The Ramsey problem, or Ramsey pricing, or Ramsey–Boiteux pricing, is a second-best policy problem concerning what prices a public monopoly should charge for the various products it sells in order to maximize social welfare (the sum of producer and consumer surplus) while earning enough revenue to cover its fixed costs.
Topics implicated along the way include game theory, the compensation principle in welfare economics, extended sympathy, Leibniz's principle of the identity of indiscernibles, logrolling, and similarity of social judgments through single-peaked preferences, Kant's categorical imperative, or the decision process.
The question of what 'best' means is a common question in social choice theory. The following rules are most common: Utilitarian rule – sometimes called the max-sum rule or Benthamite welfare – aims to maximize the sum of utilities. Egalitarian rule – sometimes called the max-min rule or Rawlsian welfare – aims to maximize the smallest ...
The Ramsey–Cass–Koopmans model (also Ramsey growth model or neoclassical growth model) is a neoclassical model of economic growth based primarily on the work of Frank P. Ramsey in 1928, [1] with significant extensions by David Cass and Tjalling Koopmans in 1965.
The question of what 'best' means is the basic question of social choice theory. The egalitarian rule selects an element x ∈ X {\displaystyle x\in X} which maximizes the minimum utility , that is, it solves the following optimization problem:
A social choice rule is a mechanism which uses the data () to select some element(s) from which are "best" for society (the question of what "best" means is the basic problem of social choice theory). The utilitarian rule selects an element which maximizes the utilitarian sum
Independence of irrelevant alternatives (IIA) is an axiom of decision theory which codifies the intuition that a choice between and should not depend on the quality of a third, unrelated outcome . There are several different variations of this axiom, which are generally equivalent under mild conditions.
Price theory was a significant aspect of his legacy as a teacher, and he taught the subject from 1946 to 1964 and again from 1972 to 1976. Notable economists who took Friedman's price theory course include James M. Buchanan , Gary Becker , and Robert Lucas Jr. , all of whom later became Nobel laureates.