R2-based Bootstrap Tests for Nonnested Hypotheses in Regression Models
by Jinook Jeong.
This paper utilizes the bootstrap to construct tests using R2 for nonnested regression models. The bootstrap enables us to compute the statistical significance of the differences in R2¡¯s and to formally test about nonnested regression models. Bootstrapped R2 tests that this paper proposes are expected to show better finite sample properties since they do not have such cumulated errors in the computation process. Moreover, bootstrapped R2 tests will remove the possibility of inconsistent test results that the previous tests suffer from. Because bootstrapped R2 tests only evaluate if a model has a significantly higher explanatory power than the other model, there is no possibility for inconsistent results. This study presents Monte Carlo simulation results to compare the finite sample properties of the proposed tests with the previous tests such as Cox test and J-test.
nonnested regression models, bootstrap, comparison of R2
Jinook Jeong, firstname.lastname@example.org
Wei-Min Huang, email@example.com
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