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This study performs an Input–Output Structural Decomposition Analysis on the ICT industry in Korea between 1995 and 2009 to examine its structural changes and growth factors. According to the results of the structural change analysis, the ICT manufacturing field exhibited a deepening of the so-called jobless growth phenomenon. Although the output of the ICT manufacturing field grew dramatically, employment consistently decreased. In contrast, the ICT service field began to show a problem with reduced labor productivity. Although the ICT service field’s output experienced a slowdown in growth, employment experienced an exponential increase. According to the results of the growth factor analysis, the ICT industry's growth was fueled by export expansion, followed by consumption expansion, technological change, inventory expansion and investment expansion. However, import substitution of intermediate goods and end goods had negative effects on the ICT industry’s growth in Korea. In the industrial sector, the electronic component sector and broadcasting and telecommunication equipment sector experienced marked growth, and the electronic component sector scored the greatest contribution. Furthermore, in spite of the rapid growth in other ICT manufacturing sectors, the information equipment sector sank into stagnation, and the contribution of the ICT service sector was constantly decreasing.
This study performed an I-O SDA on the ICT industry in Korea between 1995 and 2009 to examine its structural changes and its growth factors. Based on this research, the policy implications can be derived as follows.First, the outstanding growth of the ICT manufacturing field and the slowdown in growth in the ICT service field should be noted. It is undisputed that the ICT industry has played a leading role in developing the Korean economy. In particular, the ICT manufacturing field, which encompasses the electronic component sector, the broadcasting and telecommunication equipment sector and the information equipment sector, experienced dramatic growth in output during the analysis period. In recent years, the growth has significantly slowed in the broadcasting and the telecommunication equipment sector and in the information equipment sector. Nevertheless, the ICT manufacturing field is expected to continue growing, propelled by the expansion of the electronic component sector, to take the largest portion of the ICT industry. In contrast to the ICT manufacturing field, the ICT service field has shown an increase in output but fell short of the ICT industry’s average growth rate. Considering that increases in output have dramatically slowed in recent years, it is urgent to take measures to invigorate the ICT service field. To achieve sustainable growth in the ICT service fields, new ICT service demand based on cutting edge ICT such as Cloud, Big data analysis and the Internet of Things needs to be created through bold R&D investment.