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신효섭(Hyo-Seop Shin),한인구(Ingoo Han),박성혁(Sung-Hyuk Park) 한국경영학회 2021 Korea Business Review Vol.25 No.2
본 연구는 주식교환 M&A 방식을 통해 성장한 옐로모바일의 사례를 연구하고 성공 및 실패의 과정 및 요인을 분석하였다. 옐로모바일이 탄생할 수 있었던 배경인 주식교환 M&A 방식의 효과 및 모바일 서비스 산업에서 벤처기업들의 네트워크 형성을 통한 시너지 창출에 대해 검토하였다. 옐로모바일은 쿠팡에 이어 우리나라에서 2번째 유니콘이 되어 성장전략은 1차적으로 성공하였다. 그러나 옐로모바일의 재무제표를 토대로 재무상태와 경영성과를 분석한 결과 2017년 이후 추락하고 있다. 부분적으로 광고와 헬스케어 분야 종속기업들만 코스닥 상장기업으로서 사업을 성공적으로 진행해 가고 있다. 성공을 지속하지 못한 요인을 세 가지로 파악하였다. 첫째, 관리능력이 부족하고 내부통제가 부실하였다. 둘째, 창업자들 간의 이해관계가 상충되어 효과적인 시너지를 내지 못하였다. 셋째, 인수합병을 통한 성장전략에만 치중하여 기업의 본질적 가치와 내실을 추구하지 못하였다. 한편 국내 코스닥거래소에 성공적으로 상장했던 광고 및 헬스케어 사업부문에 대해서 상장 진행 과정을 분석하고, 해당 사업성과를 설명하였다. 옐로모바일의 재무제표는 공시된 자료를 토대로 분석하였는데 2017년 이후 감사인의 의견거절을 받아 해당 자료의 신뢰성이 저하되었다. 그 외 상장기업으로 자료가 공시되는 퓨쳐스트림네트웍스 및 케어랩스에 대해서는 공시된 자료를 토대로 분석하였다. 모바일플랫폼을 지향하며 2010년대 급속히 성공했으나 성공을 지속하지 못한 옐로모바일의 사례는 벤처기업의 창업자 및 경영자들에게 실패를 예방하고 성공을 지속하기 위한 시사점을 제공할 것이다. This study has analyzed the case of success and failure of Yello Mobile, which grew through the stock exchange M&A. This study examined the benefits of stock exchange method which was the key behind the rapid growth of Yello Mobile and explained why ventures aim to create synergy through network formation in the mobile service industry. Yello Mobile grew up to be the second Unicorn in Korea and was successful in the early period while the analysis on financial statements of Yello Mobile showed that its financial performance has been a failure since 2017. Some of Yello Mobile’s subsidiary companies in the advertising and healthcare sectors have been successfully listed at the KOSDAQ market. The reasons for the failure of Yello Mobile may be summarized in the three ways. First, the management capability and internal control of Yello Mobile were weak. Second, there was no effective synergy due to conflicting interests among founders. Third, focusing only on growth strategies through M&A, it failed to pursue fundamental corporate value. On the other hand, Future Stream Networks and Carelabs are the two successful cases of IPO and operating in advertising and healthcare sectors. The case of Yello Mobile, which experienced the rapid success and failure in 2010’s, provides useful implications for the founders and managers of start-ups to prevent the failure and continue to grow.
고유수용성신경근촉진법을 적용한 상하지 협응 운동이 뇌졸중 환자의 균형 및 보행능력에 미치는 효과
조혁신,차현규,신효섭,Cho, Hyuk-Shin,Cha, Hyun-Gyu,Shin, Hyo-Seop 대한고유수용성신경근촉진법학회 2017 PNF and Movement Vol.15 No.1
Purpose: This study examined the effects of upper- and lower-limb coordinated exercise with proprioceptive neuromuscular facilitation (PNF) on stroke patients' recovery of their balancing and walking abilities. Methods: This study was conducted with 30 patients aged at least 60 years and diagnosed with stroke. The patients were randomly assigned to either a PNF upper- and lower-limb coordinated exercise group of 15 patients or an aero-step balance exercise group of 15 patients. To test the subjects' balancing and walking abilities, balancing ability tests and 10-m walking speed tests were conducted before and after the interventions. The patients performed their respective exercises for 30 minutes per session, three times per week for four weeks. The PNF exercise group performed six stages of exercise consisting of a combination of PNF patterns such as sprinting, skating, and striking. The six stages (right striking, right skating, right sprinting, left striking, left skating, and left sprinting) were performed continuously with a rest period of 1 min. after training for 4 min. The exercises for the aero-step balance group consisted of balancing in a two-leg standing position, weight shifting in a two-leg standing position, one-leg standing, squat exercises, marching in place, and squatting on an aero step. Results: The PNF exercise group showed significant improvements in their balancing ability evaluations compared to the aero-step balance group and also showed significant improvements in their 10-m walking speed tests. Conclusion: Based on the results of this study, PNF upper- and lower-limb coordinated exercise resulted in clinical improvements of stroke patients' balancing and walking abilities. Therefore, this type of exercise is recommended as a clinical intervention for the recovery of stroke patients' lower-limb function. Future studies should be conducted with longer intervention periods and more subjects to generalize the study results.