Information Invariance in Variable-Population Social-Choice Problems
AbstractWe examine the possibilities of extending Sen's taxonomy of fixed-population information assumptions regarding the measurability and interpersonal comparability of individual utilities to social-choice problems where the population may vary. It is shown that in order to avoid impossibility results, informationally more demanding assumptions than in the fixed-population framework are required. We provide characterizations of variable-population social-welfare orderings based on information assumptions, and we suggest a way of generating the required informational environment by means of norms that impose a domain restriction on the set of possible utility profiles. Copyright 1999 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.
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Bibliographic InfoArticle provided by Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association in its journal International Economic Review.
Volume (Year): 40 (1999)
Issue (Month): 2 (May)
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- Blackorby, C. & Bossert, W. & Donaldson, D., 1996. "Information Invariance in Variable-Population Social-Choice Problems," Working Papers 9616, University of Waterloo, Department of Economics.
- D60 - Microeconomics - - Welfare Economics - - - General
- D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
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- Charles Blackorby, & Walter Bossert & David Donaldson,, .
"Price-Independent Welfare Precriptions and Population Size,"
97/17, University of Nottingham, School of Economics.
- Blackorby, Charles & Bossert, Walter & Donaldson, David, 1999. "Price-Independent Welfare Prescriptions and Population Size," Journal of Economic Theory, Elsevier, vol. 84(1), pages 111-119, January.
- BLACKORBY, Charles & BOSSERT, Walter & DONALDSON, David, 2003.
"Harsanyi’s Social Aggregation Theorem : A Multi-Profile Approach with Variable-Population Extensions,"
Cahiers de recherche
2003-05, Universite de Montreal, Departement de sciences economiques.
- BLACKORBY, Charles & BOSSERT, Walter & DONALDSON, David, 2003. "Harsanyi's Social Aggregation Theorem : A Multi-Profile Approach with Variable-Population Extensions," Cahiers de recherche 03-2003, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
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