Selecting a Regression Saturated by Indicators
Publikation: Working paper › Forskning
Dokumenter
- 0726
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We consider selecting a regression model, using a variant of Gets, when there are more variables than observations, in the special case that the variables are impulse dummies (indicators) for every observation. We show that the setting is unproblematic if tackled appropriately, and obtain the finite-sample distribution of estimators of the mean and variance in a simple location-scale model under the null that no impulses matter. A Monte Carlo simulation confirms the null distribution, and shows power against an alternative of interest
Originalsprog | Engelsk |
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Udgiver | Department of Economics, University of Copenhagen |
Antal sider | 17 |
Status | Udgivet - 2007 |
Bibliografisk note
JEL Classification: C51, C22
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