2015
DOI: 10.3982/ecta11319
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Grouped Patterns of Heterogeneity in Panel Data

Abstract: This paper introduces time-varying grouped patterns of heterogeneity in linear panel data models. A distinctive feature of our approach is that group membership is left unrestricted. We estimate the parameters of the model using a "grouped fixed-effects" estimator that minimizes a least-squares criterion with respect to all possible groupings of the cross-sectional units. Recent advances in the clustering literature allow for fast and efficient computation. We provide conditions under which our estimator is co… Show more

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Cited by 363 publications
(520 citation statements)
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“…A particular econometric innovation with respect to the existing literature is that we use a group xed eects estimator (Bonhomme and Manresa, 2015) as opposed to a standard xed eects estimator. This grouped xed eects estimator takes into account that dierent regions of the world adopt clean technologies at dierent rates.…”
Section: Introductionmentioning
confidence: 99%
“…A particular econometric innovation with respect to the existing literature is that we use a group xed eects estimator (Bonhomme and Manresa, 2015) as opposed to a standard xed eects estimator. This grouped xed eects estimator takes into account that dierent regions of the world adopt clean technologies at dierent rates.…”
Section: Introductionmentioning
confidence: 99%
“…By using Bonhomme and Manresa's (2015) grouped fixed effects algorithm, we do not impose any a priori structure on the group assignment. Third, we use some exogenous variations in military death rates across départements as an instrument along with the difference-indifferences strategy.…”
Section: B Robustness Checksmentioning
confidence: 99%
“…Importantly, we do not impose any a priori structure on group membership such as geographic clustering. Instead, we estimate group membership from the data by using Bonhomme and Manresa's (2015) grouped fixed effects algorithm. Conditional on specifying the total number of groups, the algorithm optimally groups départements with the most similar time profiles in female labor participation, net of the correlation with military death rates and other covariates.…”
Section: B Robustness Checksmentioning
confidence: 99%
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“…For example, the function can rely on an arbitrary distance in a similar way, as it is used for random cross-section e ects in panel models. Since our model relies on discrete factor loadings, it is also related to models of grouped patterns of heterogeneity in panel data; see, for example, Bonhomme and Manresa (2015). More broadly, we can relate our model with its challenges in parameter estimation to the literature on mixture state space models; see Frühwirth-Schnatter (2006) for a textbook treatment.…”
Section: Introductionmentioning
confidence: 99%