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