• Publications
  • Influence
The Impact of Bond Rating Changes on Corporate Bond Prices: New Evidence from the Over-the-Counter Market
  • A. May
  • Economics
  • 1 November 2010
I study the information content of bond ratings changes using daily corporate bond data from TRACE. Abnormal bond returns over a two-day event window that includes the downgrade (upgrade) areExpand
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Explaining Variations in Public Acceptability of Road Pricing Schemes
The literature on acceptability of road pricing schemes is reviewed, and a number of limitations of that research are identified. In particular, little evidence is found of the differences betweenExpand
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The Principles of Integration in Urban Transport Strategies
Integration as a principle in urban transport policy is frequently advocated but rarely defined. This paper suggests a range of types of integration and highlights the problems in developing anExpand
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The Value of Investment Banking Relationships: Evidence from the Collapse of Lehman Brothers
We examine the long-standing question of whether firms derive value from investment bank relationships by studying how the Lehman collapse affected industrial firms that received underwriting,Expand
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Road pricing: An international perspective
  • A. May
  • Engineering
  • 1 December 1992
This paper reviews experience with road pricing in Europe and Asia. It considers the objectives of road pricing, and demonstrates that differences in objectives lead to differences in scheme designExpand
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Singapore: The Development of a World Class Transport System
Singapore's Land Transport Authority, formed in 1995, set itself a mission of producing a world class transport system. This paper assesses the extent to which this goal is being achieved. ItExpand
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How do cities approach policy innovation and policy learning? A study of 30 policies in Northern Europe and North America
This paper reports on a study of current practice in policy transfer, and ways in which its effectiveness can be increased. A literature review identifies important factors in examining the transferExpand
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Prestige without Purpose? Reputation, Differentiation, and Pricing in U.S. Equity Underwriting
Clustering of IPO underwriting spreads at 7% poses two important puzzles: Is the market for U.S. equity underwriting services anti-competitive and why do equity underwriters invest inExpand
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Do Institutional Arrangements Make a Difference to Transport Policy and Implementation? Lessons for Britain
The authors describe local government decisionmaking in transport in three areas of the United Kingdom—London, West Yorkshire, and Edinburgh—in which major changes in local government decisionmakingExpand
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Health impacts of urban transport policy measures: A guidance note for practice
Abstract Background Urban transport related exposures and practices are associated with a significant burden of morbidity and premature mortality, which could be prevented by changing currentExpand
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