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Table 8 Post-sample prediction tests on hard wheat (Lhard-Wh) and rice (LRice) price index

From: Investigating the international prices of wheat and rice

 

Predictive test

Wheat

 

Failure \( {\chi}_8^2 \) test

11.626 [0.168]

Cusum t(8) test

−0.596 [1.432]

Rice

 

Failure \( {\chi}_8^2 \) test

4.751 [0.783]

Cusum t(8)test

0.526 [0.613]

  1. Notes: Values in brackets are p-values