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Keywords:Clustering 

Working Paper
Correcting for Endogeneity in Models with Bunching

We show that in models with endogeneity, bunching at the lower or upper boundary of the distribution of the treatment variable may be used to build a correction for endogeneity. We derive the asymptotic distribution of the parameters of the corrected model, provide an estimator of the standard errors, and prove the consistency of the bootstrap. An empirical application reveals that time spent watching television, corrected for endogeneity, has roughly no net effect on cognitive skills and a significant negative net effect on non-cognitive skills in children.
Finance and Economics Discussion Series , Paper 2020-080

Working Paper
Revealing Cluster Structures Based on Mixed Sampling Frequencies

This paper proposes a new nonparametric mixed data sampling (MIDAS) model and develops a framework to infer clusters in a panel regression with mixed frequency data. The nonparametric MIDAS estimation method is more flexible and substantially simpler to implement than competing approaches. We show that the proposed clustering algorithm successfully recovers true membership in the cross-section, both in theory and in simulations, without requiring prior knowledge of the number of clusters. This methodology is applied to a mixed-frequency Okun's law model for state-level data in the U.S. and ...
Finance and Economics Discussion Series , Paper 2020-082

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Ahn, Hie Joo 1 items

Caetano, Carolina 1 items

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Liu, Yun 1 items

Nielsen, Eric R. 1 items

Rho, Yeonwoo 1 items

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