Asymmetric Price Volatility Transmission in Agricultural Supply Chains: Evidence from the Chinese Pork Market

Table 4

The determination of the conditional mean equation specification.

Model	Piglet return		Hog return		Pork return
	AIC	SIC	AIC	SIC	AIC	SIC
AR (1)	−3.311	−3.280	−3.668	−3.637	−4.335	−4.304
ARMA (1,1)	−3.305	−3.259	−3.658	−3.613	−4.343	−4.297
AR (2)	−3.039	−3.261	−3.654	−3.608	−4.341	−4.295
VAR (1)	−3.449	−3.387	−3.661	−3.600	−4.506	−4.445
VAR (2)	−3.486	−3.379	−3.681	−3.574	−4.546	−4.439
VAR (3)	−3.474	−3.320	−3.660	−3.506	−4.524	−4.370

The bold values given in Table 4 are the minimum value in the column, the minimum value of statistics are the optimal choose, which have no links with significance levels, so the significance levels are not given according to the common practice.