요 약 문  1 
ABSTRACT  7 
Ⅰ. Research Backgrounds and Theoretical Frameworks  9 
1. Introduction  9 
2. Hypotheses  26 
Ⅱ. Case Studies：National Firms Vs. Multinational Firms on R&D  29 
1. Market Trends  29 
1.1. Mobile Phone Manufacturing Industry  29 
1.2. Semiconductor Industry  35 
1.3. Display Manufacturing Industry  40 
2. Research Findings  44 
2.1. Objective, Search, Output and Performance Measure  44 
2.2. Time Horizon  49 
2.3. Research Qualifications  51 
Ⅲ. Management Issue：How to Research and Develop Technologies?1  56 
1. Telecommunication Industry  56 
2. Semiconductor Industry  58 
3. Display Industry  60 
Ⅳ. Policy Implications and Some Issues：How the Korean Government Should Promote Innovation?  62 
Ⅴ. Concluding Remarks  67 
REFERENCES  71 
APPENDIX : Differences in National R&D Systems Between Early and Late Industrializers  75 
1. Introduction  77 
2. The Basis for Divergence  78 
3. Nature of State R&D Activity  86 
4. Korean Telecommunications: The TDX Project  88 
5. Strengths and Weaknesses of Different Cases  95 
6. Conclusion  103