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On Nonparametric Identification of Treatment Effects in Duration Models

TLDR
This paper showed that the main nonparametric identification finding of Abbring and Van den Berg (2003b, Econometrica) for the effect of a timing-chosen treatment on an event duration of interest does not hold.
Abstract
We show that the main nonparametric identification finding of Abbring and Van den Berg (2003b, Econometrica) for the effect of a timing-chosen treatment on an event duration of interest does not hold. The main problem is that the identification is based on the competing-risks identification result of Abbring and Van den Berg (2003a, Journal of the Royal Statistical Society, Series B) that requires independence between the waiting duration until treatment and the event duration, but the independence assumption does not hold unless there is no treatment effect. We illustrate the problem using constant hazards (i.e., exponential distribution), and as it turns out, there is no constant-hazard data generating process satisfying the assumptions in Abbring and Van den Berg (2003b, Econometrica) so long as the effect is not zero. We also suggest an alternative causal model.

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Econometric Methods for Program Evaluation

TL;DR: The main methodological frameworks of the econometrics of program evaluation are described, some of the directions along which this literature is expanding are delineated, recent developments are discussed, and specific areas where new research may be particularly fruitful are highlighted.
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How to Make Causal Inferences with Time-Series Cross-Sectional Data under Selection on Observables

TL;DR: In this paper, the authors use potential outcomes to define causal quantities of interest in these settings and clarify how standard models like the autoregressive distributed lag model can produce biased estimates of these quantities due to post-treatment conditioning.
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Sticking It Out: Individual Attributes and Persistence in Self-Employment

TL;DR: In this article, the authors empirically assess the effects of individual attributes on self-employment persistence, while including the baseline effects of these individual attributes, and find that openness to experience, autonomy, and tenacious goal pursuit increase persistence, whereas neuroticism reduces persistence.
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Difference-in-Differences Estimators of Intertemporal Treatment Effects

TL;DR: In this paper, the authors consider the estimation of the effect of a treatment, using panel data where groups of units are exposed to different doses of the treatment at different times, and propose estimators of a dynamic linear model, with group-specific but time-invariant effects of the current and lagged treatments.
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How the Timing of Grade Retention Affects Outcomes: Identification and Estimation of Time-Varying Treatment Effects

TL;DR: Using ECLS-K data, evidence of dynamic selection into retention and of heterogeneous effects of retention by grade and unobservable abilities is found.
References
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The Effect of Unemployment Insurance Sanctions on the Transition Rate from Unemployment to Employment

TL;DR: In this paper, the authors show that sanctions substantially increase individual transition rates from unemployment to employment, by making recipients comply with certain minimum requirements concerning search behavior, which is called punitive benefits reductions.
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The Effect of Benefit Sanctions on the Duration of Unemployment

TL;DR: In this article, the authors investigated the effect of warning that a person is not complying with eligibility requirements from the actual enforcement of a benefit sanction and found that both warning and enforcement have a positive effect on the exit rate out of unemployment, and that increasing the monitoring intensity reduces the duration of unemployment of the nonsanctioned.
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Stepping-stones for the unemployed: The effect of temporary jobs on the duration until regular work

TL;DR: This paper investigated whether temporary work increases the transition rate to regular work and found that temporary jobs shorten the unemployment duration, although they do not increase the fraction of unemployed workers having regular work within a few years after entry into unemployment.
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Punitive Sanctions and the Transition Rate from Welfare to Work

TL;DR: In the Netherlands, the average exit rate out of welfare is dramatically low. as discussed by the authors investigated the effect of such sanctions on the transition rate from welfare to work using a unique set of rich register data on welfare recipients.
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The identifiability of the mixed proportional hazards competing risks model

TL;DR: In this article, the authors show that the conditions for identification given by Heckman and Honore can be relaxed and extend the results to the case in which multiple spells are observed for each subject.
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