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플랫폼 경제의 부상과 혁신적이고 공정한 산업 생태계 조성 방안
최병삼(Byong-Sam Choi),시새롬(Saerom Si) 과학기술정책연구원 2021 정책연구 Vol.- No.-
A platform economy where platforms bring about huge changes across all areas of the economy is developing around the world. In the past, U.S. and Chinese companies led major platforms in the digital industry. Recently, however, Korean companies are also actively challenging to build platforms. Platforms have the potential to make fundamental changes in the Korean economy, and the next few years will decide whether Korean companies will be able to successfully build platforms and lead the domestic or global ecosystems. It is time for research on platform promotion and regulation measures to promote platform creation and ecosystem leadership of Korean companies. In order to establish national platform policy, it is necessary to understand the characteristics of platforms and to understand the current status of their competition. Major keywords related to the characteristics of platforms include switching costs and multi-homing in the introduction stage, network effects and critical mass in the growth stage, ‘market for lemons’ in the reinforcement stage, two-sided market pricing in the harvest stage, and platform envelopment in the expansion stage. To overview the current status of platform competition at home and abroad, competition for platform leadership has virtually ended in some areas, but fierce competition for leadership is currently underway in many other areas. Taking into account different characteristics of platforms from general products and the current status of competition, we cannot be too cautious when establishing and applying platform policies. Looking at platform policies of other countries, the platform anti-trust bill package was proposed in June 2021 in the United States. Representative bills include American Choice and Innovation Online Act, Ending Platform Monopolies Act, Platform Competition and Opportunity Act, and Augmenting Compatibility and Competition by Enabling Service Switching Act. Representative bills announced in Europe include the Digital Market Act and the Digital Service Act. In Korea, various platform-related bills such as the Online Platform Fairness Act and the Online Platform User Protection Act have been proposed. Although regulations on platforms are generally tightened at home and abroad, it seems that platform policies should be established in consideration of national interests of our country. Considering overseas policy trends and interviews with platform policy experts, this study proposes the following policies. First, it is necessary to support platform companies to solve problems such as conflicts with professionals and consideration for the vulnerable so that they can overcome barriers to entry into the market. Second, in order for platform companies to secure a large number of high-quality participants, different requirements should be identified according to the type and situation of platform workers and solved through social dialogues. Third, in order for platform companies to revitalize ecosystems and transactions, institutional mechanisms should be prepared to make it difficult for platforms to favor their products in sectors with weak market competition, and autonomous regulations should be encouraged in sectors with strong market competition. Fourth, platform companies should be given autonomy to determine appropriate fees, but the government can present guidelines if necessary. Fifth, platform companies should be allowed to acquire competitive startups except in hostile mergers and acquisitions of companies emerging as potential competitors in the existing business area. Sixth, in order to prevent reverse discrimination of domestic companies, regulations that are difficult to apply to overseas companies in reality should not be applied to domestic companies, but should also be applied to overseas companies if regulations are essential. Finally, the platform industry should be promoted by facilitating pilot projects, monitoring the effectiveness of data
황선광(S. K. Hwang),백현무(H. M. Baek),주호선(H. S. Joo),김신회(S. H. Kim),임용택(Y. T. Im),손일헌(I. H. Son),배철민(C. M. Bae) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.10
In this work, a multi-pass continuous hybrid (CH) process is designed and its practicality is investigated for manufacturing high performing low-carbon steel wires in a continuous way. For this purpose, the multi-pass CH process was experimentally set up and applied up to five passes with route A at room temperature and was compared with those for the multi-pass wire drawing(WD) process. According to the present investigation, the grain-refined wires, which have many well defined high angle grain boundaries, with the enhanced ultimate tensile strength and comparable ductility were successfully produced by the five-pass CH process compared to the WD process. In addition, the fatigue limit of the specimen produced by the CH process was enhanced due to the grain-refined microstructure of the specimen compared to the one of the WD process. Based on these observations, it was found that the multi-pass CH process can effectively produce a fine-grained wire with enhanced mechanical properties compared to the WD process.
유한요소 해석에 의한 공정변수가 인발 선재의 잔류응력에 미치는 영향평가 및 완화에 관한 연구
이상곤(S. G. Lee),황원호(W. H. Hwang),김병민(B. M. Kim),배철민(C. M. Bae),이충열(C. Y. Lee) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
This study presents a study on the influence of process parameters(semi-die angle, die reduction, friction condition, and bearing length) in drawn wire on residual stresses were investigated using FE-analysis. In this study, semi-die angle and die reduction have a significant effect on the residual stresses at the surface of drawn wire. In the previous study, in order to reduce the residual stresses, several methods were suggested: addition of axial tension, application of skin pass, straightening in multi-roll straightener etc. In this study, it can be known that the concurrent application of skin pass with low die reduction and low semi-die angle at the final stage of drawing operation reduces dramatically the both axial and hoop residual stresses after drawing.