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TESTS OF NONNESTED HYPOTHESES IN NONSTATIONARY REGRESSIONS WITH AN APPLICATION TO MODELING INDUSTRIAL PRODUCTION
Chao, John C., (2000)
Estimation and Testing Using Jackknife IV in Heteroskedastic Regressions with Many Weak Instruments
Swanson, Norman R., (2004)
Some Results on the Asymptotic Normality of k-Class Estimators in the Case of Many Weak Instruments