在《计量经济学》李子奈和潘文卿编著的P92页习题中,第二问中国2000年的制造业总体呈现规模报酬不变状态吗?在eviews——iquation——view——coeffient——wald-coeff restriction中输入c(2)+c(3)=0检验的结果:
Wald Test:
Equation: Untitled
Test Statistic Value df Probability
F-statistic 0.101118 (1, 28) 0.7529
Chi-square 0.101118 1 0.7505
Null Hypothesis Summary:
Normalized Restriction (= 0) Value Std. Err.
-1 + C(2) + C(3) -0.029968 0.094242
Restrictions are linear in coefficients.
如何说明它的规模报酬变不变