Sample sizes | Normal Exogenous Variables | Uniform Exogenous Variables | ||
Exact | Over | Exact | Over | |
10 | OLS | OLS | OLS | OLS |
20 | OLS | OLS | OLS | OLS |
30 | OLS | 2SLS | OLS | OLS |
50 | OLS | 3SLS\2SLS | OLS | OLS |
100 | OLS\2SLS\3SLS | 2SLS\FIML | OLS | OLS |
250 | 2SLS\3SLS | FIML | OLS | 2SLS |
500 | 2SLS | FIML\2SLS | OLS | 3SLS\2SLS |