Inoue, Atsushi; Rossi, Barbara - In: Journal of Econometrics 161 (2011) 2, pp. 246-261
In this paper we propose a chi-square test for identification. Our proposed test statistic is based on the distance between two shrinkage extremum estimators. The two estimators converge in probability to the same limit when identification is strong, and their asymptotic distributions are...