F-stastic

1.723*

11.263***

F(12, 28) = 3.865***

F(13, 52) = 2.465**

Null hypothesis

Groups common intercept: Welch F(28, 27.1) = 10.6; p-value = 0.000

Groups common intercept: Welch F(27, 20.7) = 4.978; p-value = 0.000

1) Breusch-Pagan test: Unit-specific error variance = 0; Chi-square (1) = 3.514, p-value 0.060. Hausman test: GLS estimates are consistent; Chi-square(12) = 28.16, p-value 0.005

1) Breusch-Pagan test: Unit-specific error variance = 0; Chi-square (1) = 0.358; p-value 0.0.549. Hausman test: GLS estimates are consistent; Chi-square(13) = 25.239, p-value 0.021