Cantos, P., Pastor, J. and Serrano, L. (1999). “Productivity, efficiency and technical change in the european railways; A non-parametric approach.” Transportation Academic Research Library, pp. 337-357.Cantos, P., Pastor, J. and Serrano, L. (1999). “Productivity, efficiency and technical change in the european railways; A non-parametric approach.” Transportation Academic Research Library, pp. 337-357.

Chung, T. W. and Kwak, K. S. (2001). “A study on operation efficiency of container port by comparison of similar ports.” Journal of Korean Society of Transportation, Vol. 19, No. 1, pp. 7-16 (in Korean). Chung, T. W. and Kwak, K. S. (2001). “A study on operation efficiency of container port by comparison of similar ports.” Journal of Korean Society of Transportation, Vol. 19, No. 1, pp. 7-16 (in Korean).

Coeli, T. and Perelman, S. (1999). “A comparison of parametric and non-parametric distance functions : With Application to European Railways.” European Journal of Operational Research, Vol. 117, pp. 326-339.10.1016/S0377-2217(98)00271-9Coeli, T. and Perelman, S. (1999). “A comparison of parametric and non-parametric distance functions : With Application to European Railways.” European Journal of Operational Research, Vol. 117, pp. 326-339.

Cowie, J. (1999). “The technical efficiency of public and private ownership in the rail industry : The Case of Swiss Private Railways.” Journal of Transport Economics and Policy, Vol. 33, pp. 241-252.Cowie, J. (1999). “The technical efficiency of public and private ownership in the rail industry : The Case of Swiss Private Railways.” Journal of Transport Economics and Policy, Vol. 33, pp. 241-252.

Graham, D. J. (2006). “Productivity and efficiency in urban railways: Parametric and non-parametric estimates.” Transport Research, Part E, 44, pp. 84-99.10.1016/j.tre.2006.04.001Graham, D. J. (2006). “Productivity and efficiency in urban railways: Parametric and non-parametric estimates.” Transport Research, Part E, 44, pp. 84-99.

Hwang, K. Y. (1999). A study on the diversification of public transit fare system in Seoul, Seoul Development Institute (in Korean).Hwang, K. Y. (1999). A study on the diversification of public transit fare system in Seoul, Seoul Development Institute (in Korean).

Kim, H. W. (2010). A study on the efficiency of Korean railway transport service using data envelopment analysis, A Doctor's Thesis, Seoul National University of Technology (in Korean).Kim, H. W. (2010). A study on the efficiency of Korean railway transport service using data envelopment analysis, A Doctor's Thesis, Seoul National University of Technology (in Korean).

Kim, H. W., Kook, K. H., Moon, D. S. and Lee, J. S. (2009). “Measuring the efficiency in Korean railway transport using data envelopment analysis.” Journal of The Korean Society for Railway, Vol. 12, No. 4, pp. 542-547 (in Korean).Kim, H. W., Kook, K. H., Moon, D. S. and Lee, J. S. (2009). “Measuring the efficiency in Korean railway transport using data envelopment analysis.” Journal of The Korean Society for Railway, Vol. 12, No. 4, pp. 542-547 (in Korean).

Kim, J. Y. and Sim, G. S. (2008). “An efficiency evaluation on the metropolitan rapid transit using DEA.” Journal of Korean Industrial Economic Association, Vol. 21, No. 4, pp. 1697-1723 (in Korean).Kim, J. Y. and Sim, G. S. (2008). “An efficiency evaluation on the metropolitan rapid transit using DEA.” Journal of Korean Industrial Economic Association, Vol. 21, No. 4, pp. 1697-1723 (in Korean).

Kim, M. J. and Kim, S. S. (2003). “Analyzing the efficiency of Korean rail transit properties using data envelopment analysis.” Journal of Korean Society of Transportation, Vol. 21 No. 4, pp. 113-132 (in Korean).Kim, M. J. and Kim, S. S. (2003). “Analyzing the efficiency of Korean rail transit properties using data envelopment analysis.” Journal of Korean Society of Transportation, Vol. 21 No. 4, pp. 113-132 (in Korean).

Kim, M. J. and Kim, S. S. (2004). “Analyzing the productivity of korean rail transit authorities : A nonparametric malmquist approach.” Journal of Korean Society of Transportation, Vol. 22, No. 6, pp. 35-46 (in Korean).Kim, M. J. and Kim, S. S. (2004). “Analyzing the productivity of korean rail transit authorities : A nonparametric malmquist approach.” Journal of Korean Society of Transportation, Vol. 22, No. 6, pp. 35-46 (in Korean).

Kim, S. H., Choi, T. S. and Lee, D. W. (2007). Efficiency analysis : Theory and application, Seoul Economic Management (in Korean).Kim, S. H., Choi, T. S. and Lee, D. W. (2007). Efficiency analysis : Theory and application, Seoul Economic Management (in Korean).

Kim, S. H., Hong, S. H. and Choi, T. S. (2000). “Evaluating the relative operational efficiency of Korean national railroad.” Journal of The Korean Society for Railway, Conferences, pp. 17-23 (in Korean).Kim, S. H., Hong, S. H. and Choi, T. S. (2000). “Evaluating the relative operational efficiency of Korean national railroad.” Journal of The Korean Society for Railway, Conferences, pp. 17-23 (in Korean).

Kim, S. P. (2000). “Price inducing effect of urban railway fare.” The Korean Economic Review, Vol. 48, No. 4, pp. 139-162 (in Korean).Kim, S. P. (2000). “Price inducing effect of urban railway fare.” The Korean Economic Review, Vol. 48, No. 4, pp. 139-162 (in Korean).

Lee, H. S., Kim, H. N., Shin, S. Y. and Park, J. S. (2010). “A plan to increase export by domestic and foreign urban railway fare system.” Journal of The Korean Society for Railway, Conferences, No. 4, pp. 397-407 (in Korean).Lee, H. S., Kim, H. N., Shin, S. Y. and Park, J. S. (2010). “A plan to increase export by domestic and foreign urban railway fare system.” Journal of The Korean Society for Railway, Conferences, No. 4, pp. 397-407 (in Korean).

Lee, H. Y. (2004). A study on the improvement of subway fare system : Centered on Busan Subway, Master's Thesis, Seoul National University (in Korean).Lee, H. Y. (2004). A study on the improvement of subway fare system : Centered on Busan Subway, Master's Thesis, Seoul National University (in Korean).

Lee, J. D. and Ou, D. H. (2012). Theory of efficiency analysis, JIPHIL Inc (in Korean).Lee, J. D. and Ou, D. H. (2012). Theory of efficiency analysis, JIPHIL Inc (in Korean).

Lee, J. H. and Jeong, K. H. (2004). An analysis on the efficiency of Korean railways, The Korea Transport Institute (in Korean).Lee, J. H. and Jeong, K. H. (2004). An analysis on the efficiency of Korean railways, The Korea Transport Institute (in Korean).

Lee, T. S., Lee, D. W., Jun, Y. J., Kwon, O. C. and Chung, J. K. (2006). “The improved device of Seoul subway fare system.” Journal of The Korean Society for Railway, Vol. 9, No. 2, pp. 200-205 (in Korean).Lee, T. S., Lee, D. W., Jun, Y. J., Kwon, O. C. and Chung, J. K. (2006). “The improved device of Seoul subway fare system.” Journal of The Korean Society for Railway, Vol. 9, No. 2, pp. 200-205 (in Korean).

Lee, T. S., Lee, D. W., Ryu, J. W. and Chung, C. (2007). “The improvement plan on fare and ticketing system of seoul metropolitan subway considering construction and operational costs.” Journal of The Korean Society for Railway, Vol. 10, No. 3, pp. 327-336 (in Korean).Lee, T. S., Lee, D. W., Ryu, J. W. and Chung, C. (2007). “The improvement plan on fare and ticketing system of seoul metropolitan subway considering construction and operational costs.” Journal of The Korean Society for Railway, Vol. 10, No. 3, pp. 327-336 (in Korean).

Lee, W. G., Kim, M. G. and Lee, S. K. (2010). A study on the policy of Busan's public transportation fare, Busan Development Institute (in Korean).Lee, W. G., Kim, M. G. and Lee, S. K. (2010). A study on the policy of Busan's public transportation fare, Busan Development Institute (in Korean).

Lee, Y. M. and Yoo, J. K. (2009). “Analyzing the influence factors on efficiency of railway transport using DEA and tobit model.” Journal of The Korean Society for Railway, Vol. 12, No. 6, pp. 1030-1036 (in Korean).Lee, Y. M. and Yoo, J. K. (2009). “Analyzing the influence factors on efficiency of railway transport using DEA and tobit model.” Journal of The Korean Society for Railway, Vol. 12, No. 6, pp. 1030-1036 (in Korean).

Mo, S. W., Lee, K. B. and Kim, S. Y. (2012). “An efficiency of rail passenger transport and its determinants.” Journal of Korean Industrial Economic Association, Vol. 25, No. 4, pp. 2627-2644 (in Korean).Mo, S. W., Lee, K. B. and Kim, S. Y. (2012). “An efficiency of rail passenger transport and its determinants.” Journal of Korean Industrial Economic Association, Vol. 25, No. 4, pp. 2627-2644 (in Korean).

Na, Y. (2008). A study on marketing decision-making about subway fare and management improvement : Focusing on the Seoul Metropolitan Rapid Transit Corporation, Master's Thesis, University of Seoul (in Korean).Na, Y. (2008). A study on marketing decision-making about subway fare and management improvement : Focusing on the Seoul Metropolitan Rapid Transit Corporation, Master's Thesis, University of Seoul (in Korean).

Oum, T. H. and Yu, C. (1994). “Economic efficiency of railways and implication for public policy.” Journal of Transport Economics and Policy, pp. 121-138.Oum, T. H. and Yu, C. (1994). “Economic efficiency of railways and implication for public policy.” Journal of Transport Economics and Policy, pp. 121-138.

Yoo, G. S. and Kim, S. J. (2012). A study on the operational efficiency of urban railway system based on data envelopment analysis, The Seoul Institute (in Korean).Yoo, G. S. and Kim, S. J. (2012). A study on the operational efficiency of urban railway system based on data envelopment analysis, The Seoul Institute (in Korean).