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Effects of Governance Structure on the Level of Interlocal Collaboration in Metropolitan Areas
Changhoon Jung 한국정부회계학회 2013 정부회계연구 Vol.11 No.2
본 연구에서는 미국의 338개 대도시 지역 (MSA)의 2002년 자료를 이용하여 대도시 지역의 거버넌스 구조 (governance structure)가 정부간 지출과 정부간 수입 지표를 이용하여 측정한 정부간 협력 수준에 어떠한 영향을 미치는가를 경험적으로 분석한다. 본 연구에서는 정부간 협력 수준을 분석하기 위하여 수평적 및 수직적 거버넌스 구조를 측정한다. 본 연구결과에 의하면 더 분절화된 거버넌스 구조는 더 높은 수준의 정부간 협력을 유도하였으며, 대도시 지역에서 자체 수입원 비율이 높은 도시는 그렇지 않은 도시보다 정부간 협력 수준이 더 높음을 보여준다. 또한 주정부가 지방정부에게 더 높은 수준의 보조금을 제공할 때, 대도시간 협력이 더 높아짐을 보여준다. This study examines the effects of the metropolitan governance structure and state-local relations on the level of interlocal collaboration (which is captured by aggregate level of interlocal expenditure and interlocal revenue collection) of local governments in 338 MSA areas for the year 2002. The study uses measures of horizontal and vertical dimensions of the metropolitan governance structure to capture the effects of the metropolitan governance structure on the level of interlocal collaboration. The findings indicate that a more fragmented metropolitan structure is associated with higher levels of interlocal collaboration, and local governments in MSAs with higher levels of own source revenue maintain higher levels of interlocal collaboration as well. Furthermore, the findings show that higher levels of state grants to local governments is associated with higher levels of interlocal collaboration. However, while the measures of state centralization and relative state financial responsibility has a positive influence on the level of interlocal expenditure, it is negatively associated with the level of interlocal revenue collection.
Electrochemical STM observation of new structures of CO adsorbed on a Pt(111) electrode surface
Jung, Changhoon,Ku, Bonseong,Kim, Jandee,Rhee, Choong Kyun Royal Society of Chemistry 2006 Chemical communications Vol.2006 No.20
<P>Presented are two newly observed adstructures of adsorbed CO onto Pt(111), (2 × 2)-3CO-β and (2 × 2)-4CO, observed during the structural evolution from the well-known (2 × 2)-3CO-α structure to the (√19 × √19)-13CO structure.</P> <P>Graphic Abstract</P><P>Two newly observed adstructures of CO on a Pt(111) surface. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b603033e'> </P>
Changhoon Yoo,Sung Bae Kim,Jin Hee Ahn,Kyung Hae Jung,Yongchel Ahn,Gyungyub Gong,Hak-Hee Kim,Hee-Jung Kim,손병호,Sei-Hyun Ahn 한국유방암학회 2011 Journal of breast cancer Vol.14 No.2
Purpose: Fulvestrant, a potent estrogen receptor (ER) antagonist with a novel mechanism of action, has shown efficacy in pretreated patients with advanced breast cancer. We assessed the efficacy and tolerability of fulvestrant in Korean postmenopausal women. Methods: Of the 25 candidates identified at Asan Medical Center, Seoul, Korea, six were deemed ineligible due to inadequate baseline and follow-up imaging. The 19 patients included in this retrospective analysis received the approved dose of fulvestrant (250 mg intramuscular injection, once per month) as second- (n=8), third- (n=7), or fourth-line (n=4) endocrine therapy. Results: At a median follow-up of 7.4 months (range, 1.2-34.8 months), the 19 patients received a median of four cycles (range, 1-34 cycles) of fulvestrant. Median time to progression was 5.5 months (95% confidence interval [CI], 0.4-10.7 months), and median overall survival was 17.9 months (95% CI, 2.7-33.1 months). Among 17 evaluable patients, one (5.3%) achieved a partial response, 10 (52.6%) showed stable disease, and six (31.6%) showed progressive disease. The clinical benefit rate was 26.3%. Four patients (21.1%) reported adverse events, but all were grade 1 or 2. Conclusion: Fulvestrant was effective and well tolerated in patients with advanced breast cancer who had been previously treated with several lines of endocrine and chemotherapeutic agents.
Changhoon Jung 한국정부회계학회 2008 정부회계연구 Vol.6 No.1
본 연구는 미국 지방정부들이 어떻게 재정상태와 재정건강을 측정하고 있는 가에 대해서 알아본다. 본 연구에 의하면 미국 지방정부에서 어떻게 재정상태와 재정건강을 측정하는가에 대한 체계적인 연구가 많지 않고 특별히 재정상태를 측정하는데 어떤 지표를 사용하고 있는가에 대해서도 활발한 연구가 없는 실정이다. 이 연구에 의하면 주정부들이 그들의 지방정부에게 정기적으로 재정상태와 재정건강을 측정하고 보고할 의미를 부여하지 않는 한 대부분의 지방정부들은 지방정부차원에서 적극적으로 그들의 재정상태와 재정건강을 측정하지 않는 것으로 나타났다. 본 연구는 GASB Statement 34의통과와 함께 지방정부들에게 2002년부터 부과된 정부차원의 통합재무제표를 바탕으로 지방정부들이 그들의 재정상태와 재정건강을 측정한가를 아울러 살펴보았는데 결과에 의하면 이를 사용하여 정부전체의 자산이나 부채등의 변화상태를 측정하는 지방정부들이 많지 않아 아직까지 지방정부들이 새로운 지표를 이용하여 그들의 재정상태를 보고하기는 이른 것으로 판단한다. This study examines local practices of assessing financial conditions and fiscal health. It shows that not much is known about how local governments assess their financial condition and fiscal health. Likewise, little is known about the types of financial indicators that local governments are utilizing. A systemic survey asking local practices of assessing financial condition and fiscal health are long overdue. It appears that unless state government requires their local government to regularly assess financial condition, not many local governments are likely toassess their own financial condition. It also demonstrates that local governments are not ready to assess their overall government-wide financial condition in the wake of the implementation of new financial reporting requirement.
관료제 권력에 따른 우리나라 부처별 예산변동의 패턴 분석: 단절적 균형이론에 근거한 첨도분석을 중심으로
정창훈 ( Jung Changhoon ) 단국대학교 사회과학연구소 2017 공공정책과 국정관리 Vol.11 No.1
본 연구에서는 우리나라의 부처별 정책변동을 정책마찰과 단절적 균형이론의 개념을 이용하여 파악하고 이들 정책 마찰을 유발하는 원인변수를 찾아보고자 하였다. 연구결과 부처별 예산자료의 변동률을 통해 예산의 부처별 변동이 비점증적이지만 무질서한 상태로만 존재하는 것은 아니며, 첨도의 변화는 관료제 권력지수의 추이와 반비례의 경향을 보임을 확인할 수 있었다. 즉, 관료제 권력지수가 높을수록 첨도는 낮은 경향을 보임을 확인할 수 있었다. 이는 권력지수가 높은 조직일수록 정책마찰의 세기가 상대적으로 적어 첨도는 낮은 값을 보이는 것으로 해석된다. 즉, 강한 관료제 권력을 가진 조직이 낮은 단절적 변동 발생확률을 보이고 약한 관료제 권력 조직이 높은 단절적 변동의 확률을 보임을 알 수 있었다. 결론적으로 관료제 권력지수는 예산, 인력, 조직 등 다양한 변수의 함수로 구성되어 있으며, 결국 부처의 관료제 권력이 어떻게 변화하느냐에 따라 그 부처의 예산변동의 양태도 변화한다고 할 수 있다. In this work, the policy change mechanisms were studied based on the concept of punctuated equilibrium theory. The 40 years of budget trends in government ministry through 1966-2006 were analyzed. As a indicator of punctuated budget change, the kurtosis and L-kurtosis of government budget change were calculated. The government ministries are classified based on the traditional functional and organization types. We also introduced the concept of the bureaucratic power and policy friction for understanding the change of ministry budget. The results showed that the kurtosis increases as the bureaucratic power index decreases, which implies that strong bureaucratic power inhibits policy friction and punctuated change of ministry budget. Subsequently, this study showed that punctuated policy change is closely related with bureaucratic power and policy friction.
정창훈(Changhoon Jung),이원희(Wonhee Lee),구병수(Byungsoo Koo),김기완(Kiwan Kim) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
Various types of heat exchangers are used to exchange heat between two fluids with different temperatures in many engineering applications including space heating, air-conditioning, power production, waste recovery, chemical processing and such. Compact and highly efficient heat exchangers are needed especially for aircraft applications due to many restrictions. Heat exchangers working in aircraft should have higher performance than those working in other applications. Two types of heat exchangers having same size were analyzed and compared through experiment. One is plate fin type heat exchanger and the other is fin tube heat exchanger. Plate fin type exchanger has higher performance than fin tube type one and it is concluded that plate fin type heat exchanger is suitable for aircraft application.
능동위상배열(Active Electronically Scanned Array) 레이더 안테나장치의 방열성능 분석
정창훈(Changhoon Jung),이원희(Wonhee Lee),강성욱(Sungwook Kang),김기완(Kiwan Kim) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Antenna consisting of multiple semiconductor transmit/receive modules(TRMs) is the most important feature for active electronically scanned array (AESA) radar. AESA radar uses multiple TRMs belonging to antenna in order to trasmit and receive RF signals and generates various types of radar beams which make it possible to search, track, map terrain, etc. simultaneously. Semiconductor chips in TRM for RF signal processing make significant heating occurs. Heat made by TRMs is removed by cooling plate in which cooling path is formed. In this study, shape and cross-sectional aspect ratio of cooling path which are the main factors affecting thermal performance are analyzed.