本文選題：異質(zhì)性　切入點(diǎn)：模糊性　出處：《經(jīng)濟(jì)學(xué)動(dòng)態(tài)》2012年07期

【摘要】：本文通過對(duì)理論之局限和實(shí)證之謬誤的討論發(fā)現(xiàn):(1)借助于代表性代理人假說、完全信息假說、同質(zhì)性假說等,宏觀經(jīng)濟(jì)學(xué)把建立理性基礎(chǔ)上的個(gè)體需求方程、供給方程當(dāng)作總需求方程和總供給方程,金融資產(chǎn)定價(jià)理論把個(gè)體的資本資產(chǎn)定價(jià)模型當(dāng)作市場(chǎng)定價(jià)模型,回避了異質(zhì)經(jīng)濟(jì)人行為的加總問題,失去了解釋現(xiàn)實(shí)的功能。(2)引進(jìn)異質(zhì)經(jīng)濟(jì)人假說后,宏觀總供給函數(shù)并不能從微觀供給函數(shù)的加總推導(dǎo)出來,資本資產(chǎn)的市場(chǎng)定價(jià)模型也不能從異質(zhì)個(gè)體的定價(jià)模型推導(dǎo)出來,因此,宏觀經(jīng)濟(jì)學(xué)的微觀基礎(chǔ)還沒有真正建立起來。(3)由于異質(zhì)性、模糊性和非線性混沌現(xiàn)象的存在,建立在概率意義下的大量理論模型具有不可實(shí)證性。本文認(rèn)為宏觀經(jīng)濟(jì)和市場(chǎng)研究需要擴(kuò)展區(qū)間均衡的概念,從異質(zhì)經(jīng)濟(jì)人假設(shè)出發(fā)探索總體行為和價(jià)格形成機(jī)制,非線性期望理論可以提供有益的思路和工具。
[Abstract]:In this paper, by discussing the limitations of theory and the fallacy of demonstration, it is found that by means of representative agent hypothesis, complete information hypothesis, homogeneity hypothesis and so on, macroeconomics establishes the individual demand equation on the basis of rationality. The supply equation is regarded as the aggregate demand equation and the aggregate supply equation, and the individual capital asset pricing model is regarded as the market pricing model in the financial asset pricing theory. After the introduction of the heterogeneous economic man hypothesis, the macro-aggregate supply function cannot be derived from the sum of microscopic supply functions, nor can the market pricing model of capital assets be derived from the pricing model of heterogeneous individuals. Therefore, the microcosmic basis of macroeconomics has not really been established.) because of heterogeneity, fuzziness and nonlinear chaos, A large number of theoretical models established in the sense of probability are unpositivistic. This paper holds that macroeconomic and market studies need to expand the concept of interval equilibrium and explore the overall behavior and price formation mechanism from the perspective of heterogeneous economic man hypothesis. Nonlinear expectation theory can provide useful ideas and tools.
【作者單位】： 中國(guó)社會(huì)科學(xué)院經(jīng)濟(jì)研究所;新疆財(cái)經(jīng)大學(xué)金融學(xué)院;
【基金】：新疆財(cái)經(jīng)大學(xué)特聘教授項(xiàng)目 財(cái)政部專項(xiàng)的支持 教育部專項(xiàng)的支持
【分類號(hào)】：F015;F224

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本文編號(hào)：1678454