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Button, K.J. (1983) Transport Economics. 2nd Edition.

has been cited by the following article:

  • TITLE: Demand Elasticity of Capacity Offered for Urban Rail Transport

    AUTHORS: Pradeep Kumar Sarkar, Jain Amit Kumar

    KEYWORDS: Congestion, Demand, Elasticity, Supply, Urban Rail Transport

    JOURNAL NAME: Journal of Transportation Technologies, Vol.6 No.4, June 30, 2016

    ABSTRACT: The high peak hour demand in Urban Rail Transport (URT) is usually met by supply side measures such as pushing more number of trains/cars in peak hour by the operator. This additional capacity generates more demand due to a positive elasticity of demand with respect to services. Delhi Metro Rail Corporation (DMRC), India has converted its fleet from 4 cars per train to 6 cars per train and finally to 8 cars per train on its Broad Gauge section. The ridership of the system has also witnessed double digit growth during this conversion period. The demand elasticity w.r.t services for the passengers of DMRC has been estimated as 0.512 on the basis of growth of demand and increase in capacity after adjusting for natural growth. So a 10% increase in supply results into 5% increase in capacity. A simple service elasticity model has been developed to estimate demand with increase in supply. The model has been applied to Line 2 (yellow line), the busiest line of DMRC, to estimate the demand for different level of services (trains/hour). The efficacy of supply side measures is limited by the design capacity of the system beyond which any increase in supply would require disproportionate investment. An optimum combination of supply and demand side measures would perhaps be the best way to address peak hour congestion in Urban Rail Transport.