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Questions tagged [social-choice]

The study of how groups of people should make collective decisions. This can involve voting, bargaining, the application of some protocol (e.g. to fairly divide goods), or maximizing some measure of social welfare.

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How theory of welfare economics and social choice is connected to DSGE models?

How theory of welfare economics and social choice is connected to DSGE models and how DSGE models can be used to test theories of welfare economics and to predict the policy outcomes?
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Feasible approaches to allocate n unique indivisable items among n individuals

Suppose I have n individuals and n unique, indivisible objects of potential value. I want to allocate those objects so as to make total welfare as great as possible, subject to the constraint that no ...
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Question on Finding the Correct Emission Tax $t$

Let there be two companies $U_{1}$ and $U_{2}$ where, initially $U_{1}$ produces and sells $x$ units at $p=18$. Production costs are $C_{U_{1}}(x)=\frac{1}{6}x^3$ and in the process $a$ units of ...
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Majority Rule and Single Peakedness

Majority Rule will induce non empty choice set if individual preferences are single peaked Is this statement true? I have some trouble in understanding the meaning of 'single peakedness' in context ...
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Question about the “No Dictator” Criterion in Arrow's Impossibility Theorem

I have a question about Arrow's impossibility theorem. I'm not sure I understand exactly what is meant by the "no dictator" criterion. Does the presence of a "dictator" mean that across all possible ...
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Unrestricted domain vs complete

Arrow's impossibility theorem states that no social choice rule satisfies a certain list of desiderata. Amongst these are completeness and unrestricted domain. Could someone please explain the ...
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Weighted voting: Vote of representative weighted by number of election votes

I was wondering if there is any literature on voting systems where voters elect representatives, and in the representatives' assembly the vote of each representative is weighted by the number of votes ...
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Is a social choice aggregation rule defined for a set of weightings over the set of voters (N)?

In Christian List's Stanford Encyclopaedia entry Social Choice Theory (2013, https://plato.stanford.edu/entries/social-choice) he says that: "an aggregation rule is defined for a fixed set of ...
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Is quadratic voting efficient in multiple winner elections?

Quadratic voting approximates efficiency for a large collective making a sequence of binary decisions. What if a group can take multiple actions? Say, for example, a series of decisions where 2 out of ...
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What is the best example social norm effect economy?

Here is my example. I read the paper called "Social norms and Energy Conservation" (2010) by Hunt Allcott, about the energy conservation of households by providing them with the amount of energy ...
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Social conflicts in economic growth models

I'm highly interested in theories and models which explain how do social conflicts influence economic growth. What papers on the topic can you recommend? I was searching for some seminal and most ...
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Which of Arrow's four desirable properties' is violated in this scenario?

So the scenario is as follows: there are 3 agents and 4 alternatives, $a,b,c,$ and $d$. Society's ranking of the 4 alternatives is such that the highest-ranked alternative is agent 1's highest-...
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Anonymity in social welfare function

Currently reading David Adler's text on distributional weights in benefit-cost analysis (https://scholarship.law.duke.edu/faculty_scholarship/3110/), I cannot manage to fully grasp the definition of ...
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What is the economic incentive to cheat? How does an experiment capture exogenous deviations?

In my undergraduate career an economic experiment was conducted on my class: one class was the control two classes were the experimental (I was in an experimental class) The basic premise was a ...
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Social choice theory

Is it possible for a social choice rule to simultaneously violate the condition of non dictatorship and weak pareto property? Non dictatorship is when there is no individual such that if he prefers x ...
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Arrow's impossibility theorem

In social choice theory, Arrow's impossibility theorem, the general possibility theorem or Arrow's paradox is an impossibility theorem stating that when voters have three or more distinct alternatives ...
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gibbard-satterthwaite theorem and median voting

The gibbard-saterthwatie theorem states that a social choice function where truthfullness is a dominant strategy must be dictatorial. However, in a median voting system, with single peaked preferences ...
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Minimalist example of voter profiles yielding different outcomes

Let the set of alternatives be $\left\{a,b,c,d\right\}$. Let there be $n$ types of voter profiles, each type with a different strict ordering over the set of alternatives. The number of voters ...
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Sen's Liberal Paradox

Economist and philosopher Amartya Sen posited that no social system could guarantee: A minimal sense of freedom in social choice Pareto efficiency His original article can be found here. In his ...
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Social Choice: from Independence axiom to Mixture symmetry axiom

Harsanyi's Utilitarian theorems' has been criticized by Diamond Cardinal Welfare, Individualistic Ethics, and Interpersonal Comparison of Utilities and others that, it is the morally unacceptable for ...
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Segal (2000) question about utility opportunity set

I am reading a JPE paper "Let's agree all dictatorship are equally bad" from Uzi Segal (2000). I have a small problem with this paper. We have the following Utility Opportunity Set (UOS): $$ S(w)=\{...
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Removing a degree of freedom from relative utilitarianism

Relative utilitarianism takes utilities as reported by agents, rescales them so that, for each agent, the alternatives have utility values between 0 and 1, and then chooses an alternative to maximize ...
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Gale-Shapley Follow-up Literature and General Questions

The Gale-Shapley Algorithm is a way of matchmaking between two different entities of people. It guarantees that every individual player is matched and that the matches are stable. What sort of ...
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What are good mathematics books to learn decision theory?

I am looking for a set of mathematics books to understand proofs in decision theory. Examples would be proofs of utility representations and social choice (im-)possibility results. I found many ...
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Nash social welfare function with negative exponential utilities

I got one question about the Nash-SWF. Typically it is defined as the product of individual utilities, ie. $$ NSWF:=u_1(x_1) \cdot u_2(x_2) \cdot u_3(x_3) \cdot ... $$ For this to make sense, ...
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Practical examples of fair division algorithms being used

Consider the problem of fairly sharing a homogeneous cake between two people. It is well-known that a fair division can be achieved through the divide and choose procedure: player 1 cuts the cake into ...
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Is there an economic reason why employees don't share salary information with each other?

In Western society, one's salary is often a taboo topic and people tend to not tell other people what they earn. In China by contrast, I have been told that asking one's salary is fairly normal ...
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Game theory for showing interest and availability when dating

The more cynical (or perhaps realistic) of us would argue that there's a fair amount of game theory going on in the dating game. For example a classic ploy is 'Don't ring for three days, because you ...
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Does vNM rationality depend on the good chosen?

The von Neumann-Morgenstern theorem states that, assuming a person's preferences under risk satisfy certain rationality axioms, then there exists a utility function u, the von Neumann utility function,...
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Condorcet's paradox: Is the majority rule transitive?

From this wikipedia link I would say that the majority rule is not transitive. Also I'm not sure I understand exactly what is transitivity in this situation... With a usual preference relation $x\...
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How does GNU software development sustain economically?

I apologise if this question is out of topic, but it is simultaneously an economy and a programming question. If it should go to another SE communality, please indicate me. In theory, GNU software is ...
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3answers
934 views

Question about the Ellsberg Paradox in Expected Utility Theory

The von Neumann-Morgenstern theorem states that, assuming a person's preferences under risk satisfy certain rationality axioms, then there exists a utility function u, the von Neumann utility function,...
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108 views

Ultrafilters in Social Choice Theory Literature Request

I am an undergraduate math major who is intrigued about social choice theory. I am in the early stages of planning my senior project and was wondering if anybody had some recommendations of literature ...
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Tactical voting when the voting rule is unknown

The Gibbard-Satterthwaite theorem implies that, in every non-dictatorial voting system with 3 or more candidates, there is a preference profile in which some of the voters can gain by lying about ...
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Fair voting procedure when there are many issues

When several people have to decide about a single yes/no issue*, the natural decision rule to use is the majority rule. But when there are many issues to decide upon, the majority rule is "unfair" ...