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      • KCI등재
      • KCI등재

        생산성 성장요인 분석: 제주도 소매업을 중심으로

        조장희,최돈승 한국경영컨설팅학회 2020 경영컨설팅연구 Vol.20 No.2

        Prior studies argued that entry of new companiess with high productivity and exit of existing firms with low productivity as a growth factor for productivity. From a dynamic point of view, although entry of new companies can play a very important role in the growth of the retail industry, some studies have argued that existing companies may be more important. This study empirically analyzed the growth factors of productivity for retailers in Jeju Island using 2005 service industry survey and the 2010, 2015 economic survey. During the analysis peirod, the average retail industry in Jeju Island grew by approximately 23% and the total productivity increased by about 43.01%. Based on the total retail business of Jeju Island, the contribution rate of entry and exit was 29.93% for 10 years, accounting for about 70% of the total productivity increase of the retail industry. The results of this analysis suggest that more than half of the total productivity growth of the retail industry in Jeju Island is driven by business entry and exit. In order to mor specific implications, the results of each analysis were drawn by classifying the size and region fo the companies. As a result of comparing Jeju city and Seogwipo city, the heterogeneity of some productivity effects was observed depending on the size of the business, but the qualitative difference was not large. The results also showed that the dynamic changes of small businesses, which are largely responsible for the majority of local retailers, are driving structural changes across the region. Furthermore, these results argue that policy efforts to lower the barrier to entry in the market in the long term will improve the productivity of the industry. 선행연구는 생산성의 성장요인으로 생산성이 높은 신규 기업의 진입과 생산성이 낮은 기존 사업체의 퇴출을 제시하고 있다. 특히 동학적인 관점에서 신규 기업의 진입은 소매업 성장에 있어서 매우 중요한 역할을 할 수 있지만 일부 연구에서는 계속 사업체가 더 중요할 수 있다는 주장이 제기되기도 하였다. 본 연구는 2005년 서비스업총조사 및 2010년, 2015년 경제총조사 자료를 사용하여 제주도의 소매업을 대상으로 생산성의 성장요인이 무엇인지 실증적으로 분석하였다. 분석 기간 동안 제주도 소매업 사업체의 평균 생산성은 약 23% 성장하였으며 총생산성은 약 43.01% 성장하였다. 제주도의 전체 소매업을 기준으로 할 경우 진입과 퇴출의 기여율은 10년간 29.93%였으며, 전체 소매업 총 생산성 증가의 약 70%를 설명하고 있다. 이러한 분석결과는 제주도 소매업의 총생산성 성장의 절반 이상이 사업체의 진입과 퇴출에 의해 이루어지고 있다는 것을 시사해준다. 보다 구체적인 시사점을 도출하기 위해 기업의 규모와 지역을 구분하여 각각의 분석 결과를 도출하였다. 제주시와 서귀포시를 구분하여 비교한 결과 사업체의 규모별로 일부 생산성 효과의 이질성이 관측되기는 하지만 질적인 차이가 크지 않았으며, 대체로 지역 소매업의 대부분을 차지하는 소규모 사업체들의 동학적 변화가 지역 전체의 구조 변화를 견인하고 있다는 결과를 도출하였다. 이러한 실증분석의 결과는 장기적으로 시장의 진입장벽을 낮추는 정책적 노력이 산업의 생산성을 향상시킬 수 있다는 점을 시사해주고 있다.

      • KCI등재

        Study on Spray Characteristics of Simulant Gel in Pressure Swirl Injector

        조장희,이동희,강태곤,문희장 한국항공우주학회 2022 International Journal of Aeronautical and Space Sc Vol.23 No.4

        In this study, the effect of gellant concentration on spray characteristics was investigated in a pressure swirl injector. The cold-flow tests of simulant gel were carried out to identify the air core formation of non-Newtonian fluid within the injector. Morphological analysis of the spray shapes was performed with regards to the air core location. Results show that the spray patterns can be classified into four distinct shapes as reported earlier in the literature. However, the transiting border between spray patterns was somewhat unlike due to the different gellant type used in this study. By categorizing the breakup regimes with dimensionless numbers, critical curves dividing each breakup regions were proposed. Regarding the quantitative spray characteristics, whether the gellant concentration increased or the pressure drop decreased, the spray angle was reduced, while the breakup length was elongated. These facts were partly due to the increased momentum loss triggered by relatively high viscosity.

      • KCI등재

        침의 진통효과: 체성감각신경자극으로 유도된 진통작용에 대한 기능성자기공명영상장치를 이용한 연구

        조장희,황선출,손영돈,강창기,Edward K.Wong,배선준,이언정,성강경,박태석,김영보,민훈기,Terry Oleson 대한침구의학회 2004 대한침구의학회지 Vol.25 No.1

        Objective : Physiological evidence regarding acupuncture’s effect in human patients is not yet well established, despite considerable evidence for its therapeutic efficacy. Besides target or disease specificity of acupuncture, acupuncture analgesia (AA) appears to be another large subclass that poses many questions, such as whether there is point specificity with respect to which acupoint is most effective for a particular condition. Methods : We observed brain activation with functional magnetic resonance imaging (fMRI) using a set of stimuli that consist of pain, pain following Meridian acupuncture, and pain following Sham acupuncture. Results : Among the new observations, the most interesting fact is that data sets of both Meridian acupuncture and Sham acupuncture show decreased activation of the same brain areas related to the pain processing signals. Present functional MRI study demonstrate two important biological observations that could elucidate AA mechanism in human participants: the effects of acupuncture occur through mediation of the higher brain areas. Sham acupuncture stimulation appears to be almost as effective as traditional Meridian acupoint stimulation, suggesting that acupuncture is not entirely point specific. Decreased activation in the limbic paleo-cortical areas appears to be the probable neurological manifestation of AA and strongly implies that acupuncture stimulation inhibits the transmission of ascending pain signals to the higher cortical areas by the previously known descending pain inhibitory circuit. Conclusion : We, therefore, a hypothesized that this pain inhibitory circuit is initiated and mediated via the broad sense Hypothalamus-Pituitary-Adrenal (BS-HPA) axis in conjunction to the “sensory stimulation.”

      • 현장 교사가 살펴본 새로운 교육과정

        조장희 우리말교육현장학회 2007 우리말교육현장연구 Vol.1 No.1

        Not as a researcher, but as a teacher who is teaching in an education site, I have been studying the new course of Korean language and literature notified by Ministry of Education and Human Resources. This research has been made in three fields such as systemization of content levels, classification of field system, and review over each field of Korean language. Since the course of study that plays a role as a blueprint when designing buildings is supposed to directly affect the course of producing schoolbooks, all Korean language teachers are required to have interest in joining the study course of Korean language in order to make their classes more interesting and substantial. It will be more desirable and effective to make up a total formation placing literature and grammar knowledge on the horizontal axis called "contents" and media such as speaking, listening, reading, and writing on the vertical axis called "activity fields" and then connecting such things with consistency. On the basis of these integrated education courses, the systemization of content levels according to students' development steps is necessarily required. It will be desirable that new education courses be made up in cooperation with both researchers who study academically and teachers who apply it to their practical fields. 교육인적자원부에서 최종 고시한 <국어과 교육과정>을 수준의 계열성, 영역 체제 구분, 영역별 검토의 세 가지 묶음으로 학문 연구자로서가 아니라 현장 교사의 입장에서 살펴보았다. 집을 짓는 과정에서 설계도에 해당하는 교육과정은 교과서 제작에 바로 영향을 미치기 때문에 ‘재미있고 내용이 알찬 국어수업’을 만들려고 노력하는 국어교사들은 교육과정에 관심을 가져야 한다. 국어과 교육과정은 문학과 문법 지식을 내용의 가로축으로, 말하기, 듣기, 읽기, 쓰기, 매체를 활동 형식의 세로축으로 서로 연결하면서 통합 구성하는 것이 더 효과적이고 바람직하다. 이러한 통합 교육과정 형식을 기본 바탕으로 하여 각 영역의 지식 내용을 아이들의 발달 단계에 맞춰 수준의 위계를 체계화하는 것이 절실하다. 바람직한 교육과정은 학문 연구자와 현장 교사들이 서로 협력하여 풀어야 이루어질 수 있다.

      • KCI등재

        제주지역 소기업・소상공인을 위한 정책금융의 역할과 과제

        조장희,이연우,최미령 한국경영컨설팅학회 2023 경영컨설팅연구 Vol.23 No.6

        Many companies have faced significant challenges due to the economic crisis triggered by COVID-19. Jeju Island also experienced a pronounced impact. Social distancing and the temporary suspension of visa-free entry system led to a sharp decline in domestic and foreign tourism, severely affecting revenue of enterprises in Jeju. Despite the government's declaration of an endemic phase in May 2023, the economic recovery is progressing slowly. This study aims to comprehend impact of COVID-19 on small-sized enterprises in Jeju island, which account for a significant portion of overall revenue. It seeks to the role and challenges of government financial support for small-sized enterprises in Jeju. To comprehend the impact of COVID-19, an analysis was conducted on various data, including revenue, the number of enterprises, number of employees, loans, credit guarantees and delinquency rate. The subjects of study are medium-sized enterprises and small-sized enterprisess. As a result, the total revenue and average revenue of small-sized enterprises declined in major industries due to COVID-19 in 2020, however, it started to recover in major industries in 2021. On the contrary, due to the prolongation of COVID-19, loans, credit guarantee supply indicators, and delinquency rates are still on the rise in 2021. This study is significant in that it identified the current situation in which the financial burden of small-sized enterpises continues to increase in the aftermath of the prolonged COVID-19 pandemic and proposed a one-stop integrated platform for government financial support. we aim to protect small-sized enterprises who play an important role in the Jeju economy, and promote sustainable economic development in Jeju island.

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