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Reconstructing Macroeconomics : A Perspective from Statistical Physics and Combinatorial Stochastic Processes. 青木正直、吉川洋他著 マクロ経済学を再建する －統計物理学と組合せ論的確率過程からの視点－
・ISBN 978-0-521-83106-2 2007 hard GB£ 120.00
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・ISBN 978-1-107-63420-6 2011 paper GB£ 44.00
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電子版あり 大学・学術機関向け電子ブック（eBook）ISBN 978-0-511-51067-0
| 著者・編者 | Aoki, Masanao / Yoshikawa, Hiroshi, |
|---|---|
| シリーズ | Japan-U.S. Center UFJ Bank Monographs on International Financial Markets |
| 出版社 | (Cambridge U. Pr., UK) |
| ページ数 | xviii, 333 pp. |
| 言語 | ENG |
| ニュース番号 | ＜532-147 532-L52＞ |
解説
In this book, the authors treat macroeconomic models as composed of large numbers of micro-units or agents of several types and explicitly discuss stochastic dynamic and combinatorial aspects of interactions among them. In mainstream macroeconomics sound microfoundations for macroeconomics have meant incorporating sophisticated intertemporal optimization by representative agents into models. Optimal growth theory, once meant to be normative, is now taught as a descriptive theory in mainstream macroeconomic courses. In neoclassical equilibria flexible prices led the economy to the state of full employment and marginal productivities are all equated. Professors Aoki and Yoshikawa contrariwise show that such equilibria are not possible in economies with a large number of agents of heterogeneous types. They employ a set of statistical dynamical tools via continuous-time Markov chains and statistical distributions of fractions of agents by types available in the new literature of combinatorial stochastic processes, to reconstruct macroeconomic models.