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We consider estimation and inference about the effects of a policy in the absence of a control group. We obtain …
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This paper proposes a new test for a large set of zero restrictions in regression models based on a seemingly overlooked, but simple, dimension reduction technique. The procedure involves multiple parsimonious regression models where key regressors are split across simple regressions. Each...
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marginal treatment effect. All of the estimation methods used in the applied evaluation literature, such as matching …
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This study focuses on the impact of model estimation methods on earnings forecast accuracy. Compared with an ordinary … least squares (OLS) regression combined with winsorization, robust regression MM-estimation improves the earnings forecast … robust regression MM-estimation. This study contributes to earnings forecasting, valuation, and influential observation …
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We propose a hybrid penalized averaging for combining parametric and non-parametric quantile forecasts when faced with a large number of predictors. This approach goes beyond the usual practice of combining conditional mean forecasts from parametric time series models with only a few predictors....
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