The Econometrics of Nonlinear Budget Sets
非线性预算集的计量经济学AI 解读 ↓
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This article surveys the development of nonparametric models and methods for estimation of choice models with nonlinear budget sets.The discussion focuses on the budget set regression, that is, the conditional expectation of a choice variable given the budget set.Utility maximization in a nonparametric model with general heterogeneity reduces the curse of dimensionality in this regression.Empirical results using this regression are different from maximum likelihood and give informative inference.The article also considers the information provided by kink probabilities for nonparametric utility with general heterogeneity.Instrumental variable estimation and the evidence it provides of heterogeneity in preferences are also discussed.
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Heckit估计、局部平均处理效应与数值等价性
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正态与非正态扰动下联立方程估计量的小样本蒙特卡洛比较
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非参数工具变量估计泛函推断的惩罚 GMM 框架
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利用大量弱交互矩的构造性工具变量识别与推断
Instrumental variable methods are widely used for causal inference, but identification becomes especially challenging when instruments are weak and potentially invalid. These challenges are particularly pronounced in Mendelian randomization, where genetic variants serve as instruments and violations of exclusion restriction or independence assumptions are common. We propose MAGIC, a constructive and assumption-lean framework that achieves identification even when all…