The Efficiency Impact of Open Access Competition in Rail Markets the Case of Domestic Passenger Services in Europe
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The Efficiency Impact of Open Access Competition in Rail Markets The Case of Domestic Passenger Services in Europe Discussion07 Paper 2016 • 07 Lorenzo Casullo International Transport Forum, Paris, France The efficiency impact of open access competition in rail markets The case of domestic passenger services in Europe Discussion Paper No. 2016-07 Lorenzo CASULLO International Transport Forum Paris, France March 2016 The International Transport Forum The International Transport Forum is an intergovernmental organisation with 57 member countries. It acts as a think tank for transport policy and organises the Annual Summit of transport ministers. ITF is the only global body that covers all transport modes. The ITF is politically autonomous and administratively integrated with the OECD. The ITF works for transport policies that improve peoples’ lives. 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Lorenzo Casullo – The efficiency impact of open access competition in rail markets Table of contents Competition in European rail markets ...................................................................................... 5 The contestability of rail markets .............................................................................................. 5 Research question and hypotheses ............................................................................................. 5 Rail reforms at the EU and national level .................................................................................. 6 Open access competition in domestic passenger markets .......................................................... 9 The efficiency impact of open access competition .................................................................. 11 The emerging evidence on competition impacts...................................................................... 11 The measurement of efficiency impacts .................................................................................. 13 Selecting the appropriate metric .............................................................................................. 13 Data availability and selection ................................................................................................. 14 Econometric technique ............................................................................................................ 14 Summary of Results .................................................................................................................. 17 Descriptive statistics ................................................................................................................ 17 Difference in difference (DID) estimator................................................................................. 19 Discussion ................................................................................................................................... 21 Interpretation of results ............................................................................................................ 21 Contribution to the existing literature ...................................................................................... 22 Limitations and potential further research ............................................................................... 22 A difficult, yet necessary assessment ....................................................................................... 24 Conclusions and way forward .................................................................................................. 25 Appendices ................................................................................................................................. 26 Appendix 1 – Selection of the control group for the DID model............................................. 26 Appendix 2 – DID regression results ....................................................................................... 28 Bibliography............................................................................................................................... 29 ITF Discussion Paper 2016-07 — © OECD/ITF 2016 3 Lorenzo Casullo – The efficiency impact of open access competition in rail markets Abstract On-track competition in passenger services has traditionally been limited in European railways, with private operators offering marginal services in selected corridors in the UK, Sweden and Germany only. In recent years, a larger scale and more stable wave of open access market entry has occurred in Austria, the Czech Republic and Italy, where open access operators have gained market shares of 20-30% in long-distance corridors. Economic theory suggests that competition can result in productive efficiencies, although theories of competition are potentially outweighed by market characteristics which make monopoly a more efficient market structure when applied to the rail sector. The contestability of rail markets is further hampered by the presence of several barriers to entry as well as expansion. The literature on the efficiency effect of rail policy changes is vast, but the focus to date has been on industry structure and competitive tendering, with non-conclusive results highlighting the importance of tailoring rail policies to the specific characteristics of each network. Studies have not yet attempted to measure the industry efficiency impact of passenger open access operations, neither specifically nor systematically – which is the goal of this paper. Using a difference-in-difference estimator, we find that on-track competition has not, to date, led to major efficiency improvements across the rail systems affected – despite claims that new entrants have lower unit costs compared to incumbents. In the early days of market opening when guarantees of non-discriminatory access have not yet been fully established, on-track competition may be resulting in higher costs than in countries with monopoly passenger services. These results are based on a short timeframe and will need to be tested over a longer period, recognising that competition is a process with no instantaneous effects. An early assessment of market opening policies is crucial to inform future regulatory decisions, at a time of budgetary constraints, forthcoming European reforms under the Fourth Railway Package and growing interest in market entry by new operators. 4 ITF Discussion Paper 2016-07 — © OECD/ITF 2016 Lorenzo Casullo – The efficiency impact of open access competition in rail markets Competition in European rail markets The contestability of rail markets Railways fulfil multiple societal and economic objectives, including the provision of connectivity between key economic centres, regions and countries, and offer a relatively fast and reliable alternative to road and air modes. But railways are expensive to build, maintain and operate, leaving policy-makers with the conundrum on how best to structure and regulate them. From a regulatory point of view, the railway sector should be treated as a multi-product natural monopoly with different levels of production and a variety of outputs. The first level of production is rail infrastructure, whereby the network provides outputs such