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Non-parametric counterfactual analysis in dynamic general equilibrium

机译:动态一般均衡中的非参数反事实分析

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In this paper, we examine non-parametric restrictions on counterfactual analysis in a dynamic stochastic general equilibrium model. Under the assumption of time-separable expected utility and complete markets all equilibria in this model are stationary. The Arrow-Debreu prices uniquely reveal the probabilities and discount factor. The equilibrium correspondence, defined as the map from endowments to stationary (probability-free) state prices, is identical to the equilibrium correspondence in a standard Arrow-Debreu exchange economy with additively separable utility. We examine possible restriction on this correspondence and give necessary as well as sufficient conditions on profiles of individual endowments that ensure that associated equilibrium prices cannot be arbitrary. Although restrictions on possible price changes often exist, we show that results from a representative-agent economy usually do not carry over to a setting with heterogeneous agents.
机译:在本文中,我们研究了动态随机一般均衡模型中反事实分析的非参数限制。在时间可分割的预期效用和完整市场的假设下,该模型中的所有均衡都是固定的。 Arrow-Debreu价格独特地揭示了概率和折扣因子。均衡对应关系定义为从end赋到平稳(无概率)状态价格的映射,它与标准的Arrow-Debreu交换经济中具有可加性可分离效用的均衡对应关系相同。我们研究了对此对应关系的可能限制,并为各个end赋的配置提供了必要的充分条件,以确保相关的均衡价格不会是任意的。尽管通常存在对可能的价格变动的限制,但我们表明,代用代理经济的结果通常不会延续到异构代理的环境中。

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