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