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An Analysis of Additional Building Bulk as an Incentive for Arranging Urban Renewal Projects

This study examines the use of additional building bulk (ABB) as an incentive for arranging urban renewal projects in Taiwan. It explores the impact of ABB on the speed and effectiveness of urban renewal development and discusses its potential benefits and limitations.

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An Analysis of Additional Building Bulk as an Incentive for Arranging Urban Renewal Projects

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  1. An Analysis of Additional Building Bulk as an Incentive for Arranging Urban Renewal Projects Hsiu-yin, Ding National Chengchi University

  2. Contents • Urban Renewal in Taiwan • ABB and Urban Renewal • Empirical Analysis • Data • Variables • Findings • Conclusions

  3. Why Urban Renewal • The goals when urban renewal as a national level urban development policy • boosting economy • rising environmental quality • improving infrastructure and building construction • Article 1 of the Urban Renewal Act • to promote a well-planned urban land redevelopment • revitalize urban functions • improve urban living environments • to increase public interests

  4. revolution • Before 1997 • Who: local governments • Where: public lands and old communities • How • Land expropriation • Land readjustment • 1998-2004 • Who: developers and property owners • Where: • Buildings damaged in 921 earthquake • Small sites in urban area • How: • Rights transformation • Joint construction agreement

  5. revolution • Since 2005 • Urban Regeneration Acceleration Scheme • Who • government-led regeneration projects • private-led regeneration projects • Where • Main in public land • Help private developers to invest urban renewal projects • How • Rights transformation • Joint construction agreement

  6. Incentives • Additional building bulk • Taxes of land and building • Land value tax • Land value increment tax • Gift tax • The annual business profit tax • Others • The Security & Exchange management authority • Publicly recruit corporate shares • Necessary public facilities…

  7. Additional Building Bulk • The Regulations of Bulk Reward for Urban Renewal • The original building bulk is allowed • Public facilities provided to the community • Applying to implement the renewals at a certain time • Local government defined • Less than the average of local residential floor area standard

  8. public facilities for urban renewal communities △F1(ABB for the original bulk is higher than legal definition of bulk ) △F2(ABB for improving environment (standards) of livelihood ) △F3(ABB for a certain period) △F4(the construction costs for providing public goods in urban renewal site ) △F5 (ABB for overall planning design) △F6(clearing and settling illegal structure households ) public facilities not included in the building bulk ABB either 1.5 times of legal definition of bulk Or 0.3 times legal definition of bulk +original building bulk legal definitionof bulk urban renewal area ABB in Taipei City

  9. Empirical Analysis • hypothesis • the ABB reward could speed up the private developers to invest urban renewal • model • linear multi-regression model

  10. Data • Why Taipei City • 72.58% applications happened in Taipei City • More than 40% buildings are older than 30 years • Source • CPAMI websitehttp://twur.cpami.gov.tw/urquery/county-1.aspx?MP=1 • excluding the cases because of earthquake • 90 cases were selected

  11. Variables • Dependent variable • the interval (days) between an urban renewal business summary and a business plan was approved

  12. Variables: independent variables • original bulk higher than legal definition of bulk • the construction costs for providing public facilities in the neighborhood outside the urban renewal site • the applications in certain time after renewal unit announced • improving environment (standards) of livelihood • planning design for harmonizing with the architectures of neighborhood • planning design for green buildings • planning design for renewal scale • clearing and settling illegal structure households

  13. Results

  14. Findings • 6 types of ABB have significant effects on the time of implementing urban renewal • Reward ABB might speed up processing urban renewal • Reward ABB may increase the time of processing urban renewal

  15. Conclusions • It is not a good idea to expect • More ABB leads to faster urban renewal development • ABB could powerfully speed up urban renewal development • A wider influence of ABB on urban development should be carefully considered

  16. Thank You

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