Kuroiwa, Ikuo; 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 Japanese … patent data, we examine how knowledge networks have developed among these countries. We find that Japan's technological … specialization saw little change, but those of Korea and China changed rapidly since 1970s. By the year 2009, technology …