Bubbles in Agricultural Commodity Markets of China

Table 3

The results of the evaluation of superexponential growth for the Chinese agricultural commodity price.

Test statistic	Garlic	Ginger	Green onion	Corn	Wheat	Rice
	0.125	0.123	0.118	0.138	0.126	0.126
R squared	0.932	0.832	0.507	0.851	0.906	0.639
	0.124	0.129	0.074	0.126	0.118	0.085
R squared	0.885	0.904	0.813	0.827	0.910	0.736
	0.393	0.358	0.196	0.296	0.276	0.156

denotes that the D value is greater than 0.25, i.e., we can conclude the existence of bubbles.