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GMM with weak identification
Stock, James H., (2000)
Detecting lack of identification in GMM
Wright, Jonathan H., (2000)
Kapitalmarktmodelle und erwartete Renditen am deutschen Aktienmarkt
Schneider, Sebastian, (2001)
Two-pass estimation of risk premiums with multicollinear and near-invariant betas
Ahn, Seung Chan, (2013)
Robust two-pass cross-sectional regressions : a minimum distance approach
Ahn, Seung Chan, (2012)
The Lagrangean multiplier test for a model with two selectivity criteria
Ahn, Seung Chan, (1992)