Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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A Study on the Correlation Analysis of China's IC Industry Profit and R&D Expenditure, New Products Development Costs and Annual Export Volume

중국 IC산업의 산업이익과 R&D 지출, 신제품 개발비 및 연간 수출량의 상관관계 분석

  • Guo, Tian-Jiao (Faculty of Information Engineering, Jilin Engineering Normal University) ;
  • Yang, Jun-Won (Dept. of Air Transport & Logistics, Sehan University) ;
  • Kim, Hyung-Ho (Dept. of Air Transport & Logistics, Sehan University)
  • 곽천교 (길림공정기술사범학원 정보공학부) ;
  • 양준원 (세한대학교 항공교통물류학과) ;
  • 김형호 (세한대학교 항공교통물류학과)
  • Received : 2019.05.21
  • Accepted : 2019.08.20
  • Published : 2019.08.28

Abstract

IC industry is one of the foundation and core industries of modern information industry. Therefore, the study of this industry has important theoretical and practical significance. The main purpose of this study is to measure the degree of close correlation between the two indexes through correlation analysis of the selected indicators, so as to study the development trend and direction of IC. Based on the theory of induced innovation and the theory of comparative advantage, this paper analyzes the correlation between the profit of the IC industry and the following three indicators by using chart analysis method, covariance analysis method and correlation coefficient analysis method. These three indicators are R&D expenditure, new product development costs and annual export amount of IC. The selected data are mainly from CHINA STATISTICS YEARBOOK ON HIGH-TECHNOLOGY INDUSTRY. Through the research, it is found that the profit of China's IC industry is positively correlated with the first two indicators and negatively correlated with the annual export amount.

Keywords

IC industry;Correlation analysis;Chart analysis;Covariance analysis;Theory of induced innovation

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Acknowledgement

Supported by : Sehan University

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