Nabeshima, Kaoru; Tanaka, Kiyoyasu - Institute of Developing Economies, Japan External Trade … - 2011
East Asia, within which China, Japan, and Korea are most important in terms of technological capabilities. Using U … specialization saw gradual changes, but those of Korea and China changed rapidly since 1970s. By the year 2009, technology ….S. patent data, we examine how knowledge networks have developed among these countries. We find that Japan's technological …