“…where Dðrcts it Þ is a dummy indicator with Dðrcts it Þ ¼ 1 if rcts it [ 0, and 0 otherwise, rcts is the cross-border trade settlement of RMB with the settlement country i at time t, X is a vector of traditional gravity variables, such as GDP of China and its trade partner country, or area (cgdp and hgdp) and geographical distance (dist) (He, Korhonen, Guo, & Liu, 2016;Rose & Spiegel, 2007), and some additional gravity variables, such as trade scale (trade), and whether or not the country borders with China (contig). Besides, we also introduce two variables that will help us test the 4 Gravity models have been used in the trade, investment and international finance literature, based on cross-border bilateral data sets.…”