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The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)

Table 11 Hausman test.

From: Trade liberalization and premature deindustrialization in Colombia

  Coefficients
  (b) (B) (b − B) root(diag(V_b − V_B))
  Fixed effects Random effects Difference Standard errors
AET 0.178321 0.1934864 − 0.0216544  
ME exports/total exports − 0.501472 − 0.0749419 0.0247947 0.0142754
GDP per capita − 0.0012573 − 0.0005217 − 0.0007356 0.0002191
international trade/GDP − 0.0087361 0.0268002 − 0.0355363 0.0155522
FDI/GDP − 0.2839273 − 0.4304603 0.146533 0.0536757
Real exchange rate − 0.0196157 − 0.0196283 0.0000125  
b = consistent under Ho y Ha; obtained from xtreg
B = inconsistent under Ha, efficient under Ho; obtained from xtreg
Test: Ho: difference in coefficients is not systematic
chi2(5) = (b − B)′[(V_b − V_B)^(−1)](b − B)
 = 40.59
Prob > chi2 = 0.0000