کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4636900 | 1340730 | 2006 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A topological proof of Eliaz's unified theorem of social choice theory
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: A topological proof of Eliaz's unified theorem of social choice theory A topological proof of Eliaz's unified theorem of social choice theory](/preview/png/4636900.png)
چکیده انگلیسی
Recently Eliaz [Social aggregators, Social Choice and Welfare 22 (2004) 317-330] has presented a unified framework to study (Arrovian) social welfare functions and non-binary social choice functions based on the concept of preference reversal. He showed that social choice rules which satisfy the property of preference reversal and a variant of the Pareto principle are dictatorial. This result includes the Arrow impossibility theorem [Arrow, Social Choice and Individual Values, Second ed., Yale University Press, 1963] and the Gibbard-Satterthwaite theorem [Gibbard, Manipulation of voting schemes: a general result, Econometrica 41 (1973) 587-601; Satterthwaite, Strategy-proofness and Arrow's conditions: existence and correspondence theorems for voting procedures and social welfare functions, Journal of Economic Theory 10 (1975) 187-217] as its special cases. We present a concise proof of his theorem using elementary concepts of algebraic topology such as homomorphisms of homology groups of simplicial complexes induced by simplicial mappings.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Mathematics and Computation - Volume 176, Issue 1, 1 May 2006, Pages 83-90
Journal: Applied Mathematics and Computation - Volume 176, Issue 1, 1 May 2006, Pages 83-90
نویسندگان
Yasuhito Tanaka,