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아파트가격과 아파트소유자 점유형태 변화의 관계분석에 관한 연구
강희만,김정렬 한일경상학회 2013 韓日經商論集 Vol.61 No.-
This study investigates the relationship between features of apartment owner’s occupancy decision and apartment prices, using vector error correction model(VECM). It analyzes the influencing factors of apartment prices. The model includes, as related variables of apartment price, interest rate, the percentage of the transaction price relative to the Chonsei price, and the percentage of owner occupation. As results, apartment price responds negatively by interest rate, positively by the percentage of the transaction price relative to the Chonsei price, and negatively by the percentage of owner occupation. But, apartment price is affected a little by the percentage of owner occupation. And we have observed that the apartment owners are used to buy the other apartment instead of living their own apartment by expecting capital gain from the increase of apartment price, when the price of apartment is rising above the average. Thus, it is necessary to increase the supply of the rental apartments by the owner of more than one apartment, by giving them some incentives. The government needs to implement economic policies in order to stabilize housing price by doing deregulation in real estates market and providing financial support for the houseless.
강희만,이두진,배우근 대한상하수도학회 2012 상하수도학회지 Vol.26 No.1
Impervious surface increase due to urbanization, one of the leading causes of pavement increased the runoff coefficient, peak flow,and reducing the infiltration flow and thereby causing flooding and river erosion is occurring in aquatic ecosystems are known to impair. This study aimed to classify use type of detailed land into the road, reststop, tollgates and etc. focused on major domestic highways, to understand the characteristics of rainfall runoff pollutants and to calculate applicable unit pollution load. Because of high runoff coefficient and short travel time to drainage. first flush occurred clearly. Average EMCs of runoff in the highway was investigated as TSS 108.47 ㎎ / L, COD 28.16 ㎎ / L, BOD 13.61 ㎎ / L, TN 6.38 ㎎ / L, TP 0.03 ㎎ / L, Cu 118.17 ㎍ / L, Pb 345.3 ㎍ / L, Zn 349.47 ㎍ / L. Unit pollution loads calculated by detailed land use area of highways based on average annual rainfall, EMCs, applicable basin areas and etc. were 46.6 kg/km2/day of BOD, 1.4 kg/km2/day of TP, 8.81 kg / km2/day of TN and these were BOD 50.8%, TP 66.7%,TN 64.4%in comparison of the unit pollution loads which applies fallow land standards of the TMDL(Total Maximum Daily Load). It was considered that discharged loads can be excessively calculated in case highway non-point management plans based on unit pollution load of the current land standard. Impervious surface increase due to urbanization, one of the leading causes of pavement increased the runoff coefficient, peak flow,and reducing the infiltration flow and thereby causing flooding and river erosion is occurring in aquatic ecosystems are known to impair. This study aimed to classify use type of detailed land into the road, reststop, tollgates and etc. focused on major domestic highways, to understand the characteristics of rainfall runoff pollutants and to calculate applicable unit pollution load. Because of high runoff coefficient and short travel time to drainage. first flush occurred clearly. Average EMCs of runoff in the highway was investigated as TSS 108.47 ㎎ / L, COD 28.16 ㎎ / L, BOD 13.61 ㎎ / L, TN 6.38 ㎎ / L, TP 0.03 ㎎ / L, Cu 118.17 ㎍ / L, Pb 345.3 ㎍ / L, Zn 349.47 ㎍ / L. Unit pollution loads calculated by detailed land use area of highways based on average annual rainfall, EMCs, applicable basin areas and etc. were 46.6 kg/km2/day of BOD, 1.4 kg/km2/day of TP, 8.81 kg / km2/day of TN and these were BOD 50.8%, TP 66.7%,TN 64.4%in comparison of the unit pollution loads which applies fallow land standards of the TMDL(Total Maximum Daily Load). It was considered that discharged loads can be excessively calculated in case highway non-point management plans based on unit pollution load of the current land standard.