Modeling and Prediction of the Volatility of the Freight Rate in the Roadway Freight Market of China

Figure 4

Route-specific volatility series: (a) R_CTG, (b) R_CTK, (c) R_CTQ, (d) R_GTC, (e) R_GTK, (f) R_GTQ, (g) R_KTC, (h) R_KTG, (i) R_KTQ, (j) R_QTC, (k) R_QTG, and (l) R_QTK.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)