City and Regional Planning / Şehir ve Bölge Planlama
Permanent URI for this collectionhttps://hdl.handle.net/11147/4274
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Article Citation - WoS: 23Citation - Scopus: 23Transportation Disadvantage Impedance Indexing: a Methodological Approach To Reduce Policy Shortcomings(Elsevier Ltd., 2015) Duvarcı, Yavuz; Yiğitcanlar, Tan; Mizokami, ShoshiAccess to transport systems and the connection to such systems provided to essential economic and social activities are critical to determine households' transportation disadvantage levels. In spite of the developments in better identifying transportation disadvantaged groups, the lack of effective policies resulted in the continuum of the issue as a significant problem. This paper undertakes a pilot case investigation as test bed for a new approach developed to reduce transportation policy shortcomings. The approach, 'disadvantage-impedance index', aims to ease transportation disadvantages by employing representative parameters to measure the differences between policy alternatives run in a simulation environment. Implemented in the Japanese town of Arao, the index uses trip-making behaviour and resident stated preference data. The results of the index reveal that even a slight improvement in accessibility and travel quality indicators makes a significant difference in easing disadvantages. The index, integrated into a four-step model, proves to be highly robust and useful in terms of quick diagnosis in capturing effective actions, and developing potentially efficient policies.Article Citation - Scopus: 217Rising Knowledge Cities: the Role of Urban Knowledge Precincts(Emerald Group Publishing Ltd., 2008) Yiğitcanlar, Tan; Velibeyoğlu, Koray; Martinez-Fernandez, CristinaPurpose - The paper seeks to investigate the changing and challenging spatial nature of the rising knowledge cities' knowledge precincts. Design/methodology/approach - The paper reviews the literature on recent knowledge precinct developments within the frame of innovation and urban economic competitiveness. The methodology develops a typological investigation and searches for useful insights for better understanding the fundamentals of knowledge precincts. The study exemplifies cases from Australia as well as other global best practices. Findings - The paper sheds light on the contemporary knowledge production of rising knowledge cities, and points out the changing spatial agglomeration of knowledge-intensive industries and the formation of new types of knowledge precincts as the spatial core of knowledge-based urban development. Originality/value - The paper provides an in-depth discussion on the changing spatial concepts of knowledge precincts and their vital role for the knowledge-based urban development of cities.