我國集合住宅市場常見一個案有數種面積產品混合之現象，在過去研究指出不同面積之產品進行投資組合已成為建商降低風險與穩定報酬的手段，僅在供給面被討論，卻忽略了住宅市場應以『使用』為目的，換言之，產品面積混合(Housing mix)隱含購屋者其生活水平及背景之異質性(Social mix)，將可能造成社區管理維護上之不易，本文試圖延伸過去此現象在需求面及管理維護上探討的不足。在實證方面，採問卷調查台北市建管處公寓大廈管理科所提供之已報備成立管理組織的主任委員2,877份，回收率為11.30%，剔除沒有舉辦活動之社區並符合設定樣本大小與母體可容忍誤差α=10%之要求下，共307筆有效問卷。輔以公寓大廈科報備資料掌握至所有面積及其對應之戶數，建立『面積混合度』之衡量，結合當前國內外住宅混合與住宅隔離議題，透過路徑分析方式衡量面積混合對社區管理維護績效之影響為直接影響或間接影響？釐清混合對管理維護影響過程之因果關係。 研究結果顯示，建商供給者之面積混合策略對於住戶需求者之管理維護績效將是間接負面影響而非傳統迴歸所觀察得到的直接影響，驗證了國外負面外溢效果在國內亦是如此。而主要影響路徑為面積混合愈高則提高了社區衝突，進而對管理維護產生負面影響。其次，過去認為除面積混合之外，新舊社區與大小規模亦會影響管理維護，故進行兩群分析究竟何者影響管理維護較大？實證發現混合社區在經過搬遷磨合期將減緩混合因異質性所造成的不和睦，但混合之負面影響仍大於新舊社區之影響。 / The phenomenon of one construction case with housing mix usually appears in the condominium market. Some studies indicated that the portfolio of housing mix has become a means of reducing risk and having a stable reward for construction companies. However, the discussion was only on supply, and ignored that “use” should be the main purpose in the condominium market. In other words, housing mix implied the social mix of homebuyers’ living standard and background, and it might make the community management and maintenance not easy. The study tries to extend the deficiency in the treatment of the phenomenon on supply or on community management and maintenance. In proof, a questionnaire survey was adopted in the study. There were 2877 pieces of questionnaires released to the chairmen of registered management organizations according to the data from the Apartment and Building Management Division in the Building Administration Office of Taipei City Government. The recovery rate was 11.3%. The communities without holding activities were culled out, and in order to satisfy the requirement of the set sample dimension and the error tolerance of matrix belowα=10%, total valid questionnaires were 307 pieces. The measurement of “housing mix” can be built up by the supplementary information from the Apartment and Building Management Division, which includes all square measure and corresponding houses. Combing the subjects of residential mix and residential separation at home and abroad, housing mix could be measured by path analysis to see whether it has a direct or indirect affect on community management and maintenance to further figure out the casual relationship during the affection process of the housing mix and the community management and maintenance. The study results show that the policy of housing mix from the suppliers, construction companies, has an indirect negative affection on the performance of community management and maintenance for residents, the demanders, instead of having a direct affection observed by traditional regression analysis. The result proves the negative spillover effect no matter at home or abroad. The path of impact is that the higher the housing mix is, the higher the community conflict will be, and the situation will generate negative affection on community management and maintenance. Furthermore, except the housing mix, new and old communities or the sizes of communities were thought to affect community management and operation, and they were usually divided into two groups to analyze which one has greater affection on management and maintenance ? It is found by evidences that the communities with housing mix show less disharmony caused by social mix after the run-in period of movement. However, the negative affection of housing mix is still higher than the one of new and old communities.