Abstract
The purpose of this study is to analyze changes in the efficiency of urban public transport in the Czech Republic. Network data envelopment analysis and cluster analysis were applied to data from 19 urban public transport systems during 2004–2016. The series structure of the network was considered, including production and consumption stages with three external inputs (employees, rolling stock, and energy), one final output (passengers), and two intermediate products (vehicle-kilometres and seat-kilometres). The relationship between changes in efficiency and the method of financing for the operation of transport services was explored through standard statistical methods. One of the main findings was that the efficiency of smaller transport systems with complicated access to sources of funding were systematically less efficient, particularly in the consumption stage. These trends were even more significant after the reorganization of urban public transport funding in 2010.
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Notes
In cities with populations of over 100,000 people, the modal share of UPT is around 60%; see https://www.czso.cz/csu/czso/13-1134-07-2006-3_1_3_doprava.
More information is available at www.sdp-cr.cz.
It is possible to depreciate only that part of the investment that was not paid from the subsidy. Such co-financing is problematic especially for smaller companies.
Slightly different terms were used in Fielding’s original work.
Truncated, Tobit, and other regression models are usually used for the second stage.
Agglomerative clustering treats each unit as a singleton cluster at the beginning and then successively merges pairs of clusters until all clusters have been merged into a single cluster that contains all units (Everitt et al. 2011).
The similarity of two clusters is taken as the similarity of their most dissimilar members.
The city codes are defined in Table 1.
The central box encloses the middle 50% of the data, i.e. it is bounded by the first and third quartiles. The “whiskers” extend from each end of the box for a range equal to 1.5 times the interquartile range. Observations outside that range are considered outliers and represented via dots. A line is drawn across the box at the median. A “+” sign is used to indicate the mean.
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Acknowledgements
This article was supported by the Grant Agency of Masaryk University in Brno, No. MUNI/A/1029/2017 and MUNI/A/1133/2017.
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Appendix
Appendix
The model defined in the Sect. 3.3 by the expressions (1)–(4) was derived as follows: multiplier form of BCC model with non-controllable variable \(Z^N\) was chosen for both stages. Input orientation was used for the first stage and output orientation for the second stage, see models (5) and (6) below:
The notation is defined in Table 3. The constraints of the model (6) can be appended to the model (5) without affecting its optimal value and vice versa. So we obtain two augmented models with common constraints (2), (3) and (4). The problem can be treated as bi-objective problem of linear programming. Multiplying the second objective by \(-1\) transforms the model (6) into minimization problem. Aggregating both functions additively gives the single objective function (1) of the resulting model.
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Matulová, M., Fitzová, H. Transformation of urban public transport financing and its effect on operators’ efficiency: evidence from the Czech Republic. Cent Eur J Oper Res 26, 967–983 (2018). https://doi.org/10.1007/s10100-018-0565-4
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DOI: https://doi.org/10.1007/s10100-018-0565-4