A Multi-Disciplinary Perspective
Edited by Erik Verhoef, Michiel Bliemer, Linda Steg and Bert van Wee
Chapter 16: Conclusions and Directions of Further Research
Bert van Wee, Michiel Bliemer, Linda Steg and Erik Verhoef The various chapters in this book have provided deeper insight into the design and eﬀects of road-pricing schemes, focusing on diﬀerent aspects of pricing, and taking diﬀerent perspectives to study them. In this ﬁnal chapter, we shall not try to repeat all the conclusions from the previous chapters. Rather, we draw some more general conclusions. Furthermore, we identify some possible directions of further research. 16.1 GENERAL CONCLUSIONS A ﬁrst conclusion is that multidisciplinary and interdisciplinary transport research, as we had hoped, does indeed often produce new insights and fresh perspectives, especially so in studies of multifaceted phenomena with direct policy relevance, such as transport pricing. Several of the chapters in this book are based on multidisciplinary research that aims to integrate the insights of economists, psychologists, civil engineers and geographers. Partly based on this experience, we consider such multidisciplinary research as very fruitful. The collaboration between scientists with diﬀerent backgrounds has resulted in rewarding interactions, and even cross-fertilization. For example, civil engineers aim to implement in practice theoretical optimal pricing schemes proposed by economists, thereby taking practical second-best limitations explicitly into account. Additionally, the psychologists contribute in furthering the way in which travel behaviour can be put into models, by questioning the rationale of making certain assumptions on travellers’ behaviour responses, such as the economists’ and engineers’ natural starting-point of assuming rational, utility-maximizing agents. This was not only inspiring for the researchers, but we think that...
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