On Wed, 21 Apr 2010, Summers, Peter wrote: > Here's the result from the model with X = {const black smsa76 > south76 ed76} and Z = {const black smsa66 south66 nearc4b}: > > Weak instrument test - > Cragg-Donald minimum eigenvalue = 1.13201 > Critical values for TSLS bias relative to OLS: > > bias 5% 10% 20% 30% > value 0.00 0.00 0.00 0.00 > > Relative bias is probably less than 5%
OK, that's right enough. The critical values are in fact zero in that region according to the Stock-Yogo tables. Allin