Purpose - This study analyzed Korea's relations table through network analysis. In particular, among the centralities, eigenvector centrality, PageRank centrality and degree were used. The author studied which network characteristics affected the value-added rate. Design/methodology/approach - A...

Purpose: During the Paris Convention, Korean Government made commitment to curb carbon emission by 37 percent by the year of 2030. Since then there has been constant debate, both in media and academia, as to whether attempts to reduce carbon emission would spell the concomitant economic...

We apply directed graphs to an empirical analysis of traffic occupant fatalities based on a model by Crandall. In this paper, we use Crandall's data on US traffic fatalities for the period 1947-81 and extend the sample to include 1982-93. Based on the 1947-81 annual data, directed graph...