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  • Arbeitsmarktökonomik

    Prof. Dr. Anna Zaharieva  

    © Universität Bielefeld
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Latest news

New funding: Leibniz Association approves funding for the second phase of the Leibniz Science Campus "SOEP RegioHub".


New publication: E. Damdinsuren, M. Mitkova, A. Zaharieva "Parental Networks, Wage Expectations, and Intergenerational Educational Mobility", Journal of Economics Behavior and Organization, 218, p. 146-175.


Welcome to the new research employee Asimamaw Belete, who will be enrolled in the RTG 2865 "Copying with Uncertainty in Dynamic Economies" and Bielefeld Graduate School of Economics and Management (BIGSEM).

Lehrstuhl für Arbeitsmarktökonomik

Lehrstuhladresse:

Universität Bielefeld
Fakultät für Wirtschaftswissenschaften
Lehrstuhl für Arbeitsmarktökonomik
Postfach 10 01 31
33501 Bielefeld, Deutschland

Lieferadresse:

Universität Bielefeld
Fakultät für Wirtschaftswissenschaften
Lehrstuhl für Arbeitsmarktökonomik
Universitätsstraße 25
D-33615 Bielefeld

Büro:

Raum W8-101
Telefon (+49) (0)521 106 5637
Briefkasten U/V3 1757

Email: anna.zaharieva@uni-bielefeld.de

Economics Seminar Talk on

In economies with uncertainty where agents have heterogeneous beliefs, it hasbeen argued that the classical Pareto welfare criterion might be inadequate, as voluntary trade could result from mere betting on belief disagreement rather than on differences in tastes or risk aversion. In response, Gilboa et al. (2014) and Brunnermeier et al. (2014) suggested two alternative and more compelling welfare criteria: no-Betting (nB) Pareto and Belief-Neutral (BN) Pareto, respectively. We establish a first formal connection between nB- and BN-efficiency. We show that the set of nB-optima coincides with the union of the set of classical Pareto optima and the set of BN-optima, and we provide a social welfare characterization of these two sets of optima. Additionally, under an assumption of nonatomicity of the agents’ beliefs, we show that there are σ-algebras generated by measure-preserving transformations on which the agents’ beliefs agree. When the aggregate endowment in the economy is measurable with respect to such a σ-algebra, we show that the set of nB-optima and the set of BN-optima coincide with the set of classical Pareto optima in a specific homogeneous-belief economy.
 

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