Abstract
An important feature of the mixed economic system under consideration, besides the presence of a mixed production sector, is that two different regulation mechanisms function jointly: central planning and flexible market prices. Thus, this model is characterized by the presence of dual markets. In the first market, prices are stable and the allocation of commodities is determined by rationing schemes and governmental orders. In the second market, prices are flexible and are formed by the standard mechanism of equating demand and supply. We assume that the excess of any commodity purchased in the first market may be resold by any economic agent at flexible market prices. Whereas a lot of papers are devoted to existence and efficiency of mixed market equilibria, this paper investigates extremal properties of equilibrium allocations in a mixed economy of Arrow-Debreu type. A notion of fuzzy domination in a mixed environment is given, and coincidence of the fuzzy core and equilibrium allocations in certain specifications of economy in question is shown to hold.
This research was supported by the program of fundamental scientific researches of the SB RAS I.5.1., project 0314-2016-0018, and by RFBR grant 16-06-00101.
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Notes
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As usual, \(x \cdot y\) stands for the scalar product \(\sum _{k = 1}^lx_ky_k\) of the vectors \(x = (x_1, \ldots , x_l)\) and \(y~=~(y_1, \ldots , y_l)\) from \(\mathbf {R}^l\).
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Acknowledgement
The author would like to thank the Program of Fundamental Scientific Researches of the SB RAS I.5.1. (project 0314-2016-0018), and Russian Foundation for Basic Research (grant No. 16-06-00101) for partial financial support.
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Vasil’ev, V.A. (2018). Fuzzy Core Allocations in a Mixed Economy of Arrow-Debreu Type. In: Eremeev, A., Khachay, M., Kochetov, Y., Pardalos, P. (eds) Optimization Problems and Their Applications. OPTA 2018. Communications in Computer and Information Science, vol 871. Springer, Cham. https://doi.org/10.1007/978-3-319-93800-4_19
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