Part 2. Beyond single-outcome models: Decompositions of aggregate and disaggregate road safety risk

Marc Gaudry and Matthieu de Lapparent

Research in Transportation Economics, 2013, vol. 37, issue 1, 20-37

Abstract: The second part of the state-of-the-art focuses on the development of the founders' double streams explaining single-outcome indicators (probability of accidents and fatalities, respectively) by fixed form regression, as outlined in the Part 1. Following Page (1997, pp. 67–122, 2001) and others, we use as turning point of the evolution of both aggregate and discrete approaches the DRAG-1 model of 1984, itself based on aggregate data, which introduced four key innovations in principle applicable to both streams.

Keywords: DRAG road accident model innovations; Decomposition of road damages among exposure, frequency and severity dimensions or risks; Endogeneity of driver behavior; Box–Cox forms and unconditional regression signs; Road safety outcomes as a demand system; Multivariate formulations; Time horizon of adjustment; Survey of aggregate model development; Single-outcome; Single-region models; Multiple-outcome; Multiple-region models; Survey of discrete model development; Aggregation from individual to population values (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1016/j.retrec.2012.02.002

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