"Ln (IA/Assets)[ID, t] = Xb + u[ID] + e[ID, t]"
"Estimated results:";Var;"sd = sqrt(Var)"
"Ln (IA/Assets)it–1";7.474;2.733
e;1.843;1.357
u;0.504;0.71
"Test: Var(u) = 0 chibar2(01) = 146.85 Prob > chibar2 = 0.0000"