Recent studies of border effects have focused on the intra-country and inter-country comparison of trade flows. It is found that borders have a negative impact on the size of cross-border trade. In order to estimate border effects on a regional level one needs not only data on inter-country but...

During the past two decades, international trade in telecommunication services has significantly intensified. What is more, an increasing number of telecommunications operators have begun to expand their activities beyond national borders through FDIs, joint ventures, and cooperation agreements....