"Ln (IA/Assets)[ID, t] = Xb + u[ID] + e[ID, t]"
"Estimated results:";Var;"sd = sqrt(Var)"
"Ln (IA/Assets)it–1";7.151;2.674
e;1.544;1.242
u;1.238;1.113
"Test: Var(u) = 0 chibar2(01) = 48.77 Prob > chibar2 = 0.0000"