자율주행 자동차의 상용화가 상업 공간구조에 미치는 영향

서현승 ( Seo Hyun-seong ),김민준 ( Kim Min-jun ),정창무 ( Jung Chang-mu ),김현정 ( Kim Hyunjung ) 한국부동산분석학회 2020 不動産學硏究 Vol.26 No.4

본 논문은 자율주행 자동차 상용화와에 따른 전국 상업 공간 구조에 미치는 영향에 대해 연구하고자 한다. 자율주행 자동차의 출현은 도시에 극적인 변화를 가져올 것으로 예상된다. 그러나 최근의 연구는 국토 공간구조의 가능한 변화 추정이 아닌, 주로 차량 기술에 초점을 맞추고 있다. 이러한 배경에서 본 연구는 일련의 시나리오를 개발하고, 자율주행 자동차로 인한 편익 발생 모델을 구축하고, 자율주행 자동차 사용으로 인한 소득 증가로 인해 국토 공간구조의 변화를 분석하는 것을 목표로 한다. 문헌 검토를 기반으로 네 가지 시나리오를 설정하였으며, 시나리오 별 자율주행 자동차의 상용화 정도를 예측하기 위해 주요 요소의 계수를 포함한다. 각 시나리오 별 편익 계산한 것을 바탕으로 상권의 소득 및 직원 증가에 따른 전국 상업 공간 구조의 변화를 제시한다. 본 논문의 시뮬레이션 결과 자율주행 자동차가 초기 단계에서는 특정 지역에만 분포되어 있기 때문에 상업 연면적 증가량의 지역적 격차가 증가하는 것을 보여준다. 하지만 자율주행 자동차 보급률이 증가함에 따라 전국적으로 상권의 매출, 고용자 수 증가로 교외 지역도 발달하여 지역 불균형 개발이 감소한다. 장기적으로 시간이 지남에 따라 지역적 격차가 줄어들고 국토의 균형적 개발이 가능할 것으로 예상된다. This paper aims to investigate the relationship between commercialization of autonomous vehicles and its influence on commercial spatial structures nationwide. The emergence of autonomous vehicles is expected to bring about dramatic changes in our cities. However, recent studies mainly focus on the technology of vehicles, not the estimation of possible changes. For this reason, our study aims to develop a set of scenarios, build forecasting model for benefits of autonomous cars, and analyze the changes in territory due to the increased income from using autonomous vehicles. Four different scenarios have been identified based on literature review, containing different coefficients of the main elements for forecasting future commercialization of autonomous vehicles. From the benefits we concluded in each scenarios, which were calculated through main elements, we propose the change in commercial spatial structures nationwide due to the increased income and employee. Our simulation results show that in the early stage, regional gap increases since autonomous vehicles are only distributed in specific area. However, as autonomous vehicles’ dissemination rate increases, suburban area also develop due to increasement in revenue and number of employee, leading to reducement in territory unbalanced development. Regional gap decreases as time passes and territory balanced development increases in the long run.

GIS를 이용한 소매업종 상권 반경과 중심지 이동분석

신우진,정창무,이상경 한국부동산분석학회 2002 不動産學硏究 Vol.8 No.1

This paper assesses changing patterns of the commercial power of a region and leading sectors of the movement with radial ring-based analyses of 49 categories of retail services in Kangnam-gu, Seoul. The radius of trade market area(R), as the measure of commercial power of a location, is defined as a pre-defined radial distance from the store location. Moving patterns of the regional commercial power is analysed based on the peak of overlapping density of the retail trade area every year. Findings indicate that the centers have been differentiated from each other in the form of an orderly hierarchy of places, with particular retail services developing for lower-ordered places as they reach a threshold, and leading sectors of the movement are usually retail services favored by teenagers.

Anti-inflammatory Effect of LFR on LPS-stimulated THP-1 Cells

정승기,Sul, Mu-Chang,Kim, Hong-Yeoul,Roh, Young-Lae,Jung, Hee-Jae,Jung, Sung-Ki 대한한방내과학회 2009 大韓韓方內科學會誌 Vol.30 No.2

Background and Objective: Luffae Fructus Retinervus (LFR) is used for investigating symptoms of inflammation. We have evaluated the anti-inflammatory effect of LFR by analyzing the expression of pro-inflammatory cytokines. Materials and Methods : We differentiated THP-l cells into macrophage-like cells by treatment with PMA. Inflammation was induced by treatment with LPS and PMA. We determined the safe concentration of LFR by using the MTS and MTT assays and using PD 98059 as a negative control for comparison of the anti-inflammatory effect of LFR. Results : The MTS and MTT analysis showed that the cell survival rate was >80% within the LFR concentration range of 10-100 ng/ml and began to decrease to >80% at 1 ${\mu}g/ml$. By RT-PCR analysis, the gene expression of TNF-${\alpha}$, IL-8, TGF-${\beta}$, IL-6, IL-${\beta}$1, and IL-10 levels were down-regulated when monocyte-derived macrophages were treated with concentrations of LFR between 10 ng/mL and 100 ng/mL. Conclusion : We conclude that LFR exerts an anti-inflammatory effect by inhibiting the expression of pro-inflammatory activity. The results suggest a promising way to treat general inflammatory diseases.

친환경 건축물 인증이 부동산 거래가격에 미치는 영향 분석: 주거용 부동산과 상업용 부동산의 비교를 중심으로

최시영 ( Choi Shi-young ),정창무 ( Jung Chang-mu ),김현정 ( Kim Hyun-jung ) 한국부동산분석학회 2022 不動産學硏究 Vol.28 No.1

도시에서 배출되는 탄소와 온실가스는 기후변화에 큰 영향을 미친다. 기후변화를 방지하기 위해 전 세계적으로 친환경 건축물 보급을 위해 노력하고 있으며 친환경 인증 건축물이 부동산 가격에 미치는 영향에 대한 연구도 진행되었다. 본 연구는 친환경 건축물이 부동산 가격에 미치는 영향을 건축물의 용도에 따라 비교하기 위하여 진행되었다. 이에 따라 본 연구는 서울시 강서구의 주거용 부동산(아파트)과 상업용 부동산(상가 · 사무실)을 대상으로 에너지효율등급을 부여받은 건축물이 매매가격에 미치는 영향의 정도를 비교 분석하였다. 이를 위해 평당 거 래가격을 종속변수로 두어 다중회귀 분석의 형태를 띤 해도닉가격모형 분석을 수행하였다. 실증분석 결과, 매매 가격에 에너지효율등급이 미치는 영향력의 정도는 상업용 부동산(β = 0.045)보다 아파트(β = 0.537)에서 더 높게 나타났다. 본 연구는 친환경 건축물이 단순히 매매가격에 영향을 미치는지에 대해 분석한 선행연구들과는 달리 건물의 용도에 따라 영향정도를 비교한 연구라는 데에 의의가 있다. 향후 연구에서는 데이터센터, 오피스텔, 물류 시설, 공장 등 보다 다양한 형태의 건물이 부동산 시장에 미치는 영향을 연구할 필요가 있다. 또한 지역의 특성이나 계절에 따른 에너지효율등급의 실효성 연구 등 다양한 관점에서 친환경 건축물의 실요성에 대해 분석할 필요가 있다. 본 연구결과를 기반으로 전략적인 친환경 건축물 공급을 유도할 수 있다는 것으로서 그 가치가 있다. Pollutants and carbon emitted from cities have a major impact on global warming and climate change. Considerable efforts are being made to supply eco-friendly buildings to reduce greenhouse gases emitted from buildings worldwide. In addition, numerous studies have shown that eco-friendly building certification affects real estate prices. The purpose of this study is to examine the effects of eco-friendly buildings on real estate prices spanning different types of buildings. This study investigated the relationship between energy-efficiency ratings and real estate prices for residential buildings and commercial property in Gangseo-gu, Seoul, Korea using the Hedonic price model analysis. The influence of energy-efficiency rating on real estate prices was found to be greater on residential buildings (β=0.537) than that on commercial properties (β=0.045). This study expands from the previous studies that simply analyzed whether eco-friendly buildings had an effect on real estate prices by comparing the degree of influence on different building types. Future research needs to study the impact of more diverse types of buildings, such as data centers, officetels, logistics facilities, and factories, etc. on the real estate market beyond residential and commercial buildings. In addition, studies comparing the effect of eco-friendly buildings on prices depending on the characteristics of the region or the effectiveness of season-dependent energy efficiency grades may be conducted. Based on the results of this research, development strategies can be established in the private sector, and the public sector can make policies to induce the private sector to provide more eco-friendly buildings.

Physiologically based pharmacokinetic (PBPK) modeling of piroxicam with regard to CYP2C9 genetic polymorphism

Chang-Keun Cho,Pureum Kang,Hye-Jung Park,Eunvin Ko,Chou Yen Mu,Yun Jeong Lee,Chang-Ik Choi,Hyung Sik Kim,Choon-Gon Jang,Jung-Woo Bae,Seok-Yong Lee 대한약학회 2022 Archives of Pharmacal Research Vol.45 No.5

Piroxicam is a non-steroidal anti-inflammatorydrug used to alleviate symptoms of osteoarthritis andrheumatoid arthritis. CYP2C9 genetic polymorphism significantly infl uences the pharmacokinetics of piroxicam. The objective of this study was to develop and validate thepiroxicam physiologically based pharmacokinetic (PBPK)model related to CYP2C9 genetic polymorphism. PK-Sim ®version 10.0 was used for the PBPK modeling. The PBPKmodel was evaluated by predicted and observed plasma concentration–time profi les, fold errors of predicted to observedpharmacokinetic parameters, and a goodness-of-fi t plot. Theturnover number (k cat ) of CYP2C9 was adjusted to capturethe pharmacokinetics of piroxicam in diff erent CYP2C9genotypes. The population PBPK model overall accuratelydescribed and predicted the plasma concentration–timeprofi les in diff erent CYP2C9 genotypes. In our simulations,predicted AUC inf in CYP2C9*1/*2 , CYP2C9*1/*3 , andCYP2C9*3/*3 genotypes were 1.83-, 2.07-, and 6.43-foldhigher than CYP2C9*1/*1 genotype, respectively. All fold error values for AUC, C max , and t 1/2 were included in theacceptance criterion with the ranges of 0.57–1.59, 0.63–1.39, and 0.65–1.51, respectively. The range of fold errorvalues for predicted versus observed plasma concentrationswas 0.11–3.13. 93.9% of fold error values were within thetwo-fold range. Average fold error, absolute average folderror, and root mean square error were 0.93, 1.27, and 0.72,respectively. Our model accurately captured the pharmacokineticalterations of piroxicam according to CYP2C9 geneticpolymorphism.

토지이용이 지방세입에 미치는 영향 : 서울특별시 조정교부금 제도개선방안에 관한 연구

Jung, Chang-Mu,Kim, Kwang Woo 서울시립대학교 도시과학연구원 2000 도시과학논총 Vol.26 No.1

The underlying theme of this article is an exploration of the linkages between tax and land use policies at the local level. The local fiscal impact of zoning regulations and land use in the Seoul metropolitan area is assessed by first reviewing previous studies and then investigating the statistical relationship between nonresidential development and local tax base. Regression analysis indicates that office development is positively associated with fiscal benefits while commercial development is inversely related to tax revenue. Based on empirical findings, a tax-base sharing system is introduced. Under the system, each municipality must contribute to a regional fund of tax revenus from its commercial tax base. This money then will be redistributed in inverse proportion to the amount of nonresidential for taxbase competition. It also creates greater equity in the ability to fund local services. It is a way of addressing the fact that different municipalities have unequal amounts of taxble property and therefore differ in their ability to raise revenue. Tax-base sharing has the potential to reduce competition berween communities, while enabling them to offset of the negative effects of urban sprawl.

호텔객실판매율과 평균객실요금 간의 관계 분석

정창무(Jung Chang-Mu),김민주(Kim Min-Ju) 대한국토·도시계획학회 2010 國土計劃 Vol.45 No.6

국제 금융기업의 입지결정요인에 관한 연구

정창무(Jung Chang-Mu) 대한국토·도시계획학회 2008 國土計劃 Vol.43 No.3

공동주택 공간구성이 주택가격에 미치는 영향 연구

정창무(Jung Chang-Mu),안지하(Ahn Ji-Ha),이건수(Lee Gun-Soo),송소민(Song So-Min),이효중(Lee Hyo-Jung) 대한국토·도시계획학회 2008 國土計劃 Vol.43 No.7

낙후지역 재생을 위한 입체복합공간 개발

정창무(Jung Chang-Mu) 대한건축학회 2008 建築 Vol.52 No.7