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Problems with using "collapse" and the coefficient become changes from negative to positive sign. Vice versa.
Problems with using "collapse" and the coefficient become changes from negative to positive sign. Vice versa.

Dear Experts and Scholars

I would like to ask that I estimated the GMM estimator, which the number of instrument are increased higher than the number of group. Under this problem, I used "collapse" and the coefficient of each aggressors change from negative to positive sign. Vice versa. while the value of Hansen test was also lower than 0.1. In this case, how can i deal with these issues ? Many thanks in advance

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Home / Data Cleaning / Data management / Data Processing / Problems with using "collapse" and the coefficient become changes from negative to positive sign. Vice versa.
Problems with using "collapse" and the coefficient become changes from negative to positive sign. Vice versa.

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Home / Data Cleaning / Data management / Data Processing / Problems with using "collapse" and the coefficient become changes from negative to positive sign. Vice versa. Problems with using "collapse" and the coefficient become changes from negative to positive sign. Vice versa.

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