인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
Conventional profitability ratio formulas in Korean urban redevelopment assume that the ratio increases monotonically with the floor area ratio (FAR), thereby incentivizing developers to maximize building density. This study challenges that assumption by constructing a profitability ratio model that incorporates three nonlinearities: a convex construction- cost function, density discount in post-development asset values, and progressive public-contribution schedule. The construction cost per unit area was modeled as a convex quadratic function of FAR, calibrated to cost data from 28 Seoul Housing (public housing complexes) and the Sanggye-14 redevelopment project. The asset value function allowed unit housing prices to decline with density, deviating from the standard appraisal practice of FAR-invariant pricing. The public contribution function utilized a quadratic-progressive structure that activates beyond the permitted FAR, reflecting the current Seoul regulatory framework. Numerical simulation demonstrated that the profitability ratio exhibited a single interior maximum, establishing the existence of an optimal FAR strictly below the legal upper bound. Under the baseline calibration with a public contribution index of 0.5, the optimal FAR was calculated as 258%, substantially lower than the 420% implied by the conventional flat-unit-cost assumption. Comparative statics confirmed that this gap persisted across the entire range of the public contribution index. These findings suggest that current appraisal practices may systematically overestimate the financially optimal density in redevelopment projects.
본문·목차
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