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This book reviews recent approaches for partial identification of average treatment effects with instrumental variables in the program evaluation literature, including Manski’s bounds, bounds based on threshold crossing models, and bounds based on the Local Average Treatment Effect (LATE)...
Persistent link: https://www.econbiz.de/10012396876
We employ quantile regression fixed effects models to estimate the income-pollution relationship on <italic>NO</italic> <sub> <italic>x</italic> </sub> (nitrogen oxide) and <italic>SO</italic> <sub>2</sub> (sulfur dioxide) using U.S. data. Conditional median results suggest that conditional mean methods provide too optimistic estimates about emissions reduction for...</italic>
Persistent link: https://www.econbiz.de/10010975479
In many observational studies, the treatment may not be binary or categorical but rather continuous, so the focus is on estimating a continuous dose– response function. In this article, we propose a set of programs that semiparametrically estimate the dose–response function of a continuous...
Persistent link: https://www.econbiz.de/10010934065
We semiparametrically estimate average causal effects of different lengths of exposure to academic and vocational instruction in the Job Corps (JC) under the assumption that selection into different lengths is based on a rich set of observed covariates and time-invariant factors. We find that...
Persistent link: https://www.econbiz.de/10010835677
We review and extend nonparametric partial identification results for average and quantile treatment effects in the presence of sample selection. These methods are applied to assessing the wage effects of Job Corps, United States’ largest job-training program targeting disadvantaged youth....
Persistent link: https://www.econbiz.de/10010702046
Previous evaluations of Job Corps document disparate effects on the earnings of adolescents (aged 16-19) and young adults (aged 20-24). These are conjectured to be due to differential human capital accumulation within the program between these groups. If correct, the effect of the program on...
Persistent link: https://www.econbiz.de/10010659356
We derive nonparametric bounds for local average treatment effects (LATE) without imposing the exclusion restriction assumption or requiring an outcome with bounded support. Instead, we employ assumptions requiring weak monotonicity of mean potential and counterfactual outcomes within or across...
Persistent link: https://www.econbiz.de/10010710929