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Private road networks with uncertain demand

Xinying Fu, Vincent A.C. van den Berg and Erik Verhoef ()

Research in Transportation Economics, 2018, vol. 70, issue C, 57-68

Abstract: We study the efficiency of private supply of roads under demand uncertainty and evaluate various regulatory policies. Due to demand uncertainty, capacity is decided before demand is known but tolls can be adjusted after demand is known. Policy implications can differ from those under deterministic demand. For instance, for serial links, the toll in the second-best zero-profit case is no longer equal to the marginal external congestion cost. In the first-best scenario, the capacity under uncertain demand is higher than that under deterministic demand of the same expected value, though self-financing still holds in expected terms. Regulation by perfect competitive auction cannot replicate the second-best zero-profit result and thus leads to a lower welfare, whereas without uncertainty, various forms of competitive auctions can attain this second-best optimum. For more complex networks, when private firms add capacity in turn, contrary to the case without demand uncertainty, some forms of auction perform better than others with demand uncertainty.

Keywords: Traffic congestion; Road pricing; Uncertain demand; Road network; Private supply; Auction; Uncertainty (search for similar items in EconPapers)
JEL-codes: D63 H23 R41 R42 (search for similar items in EconPapers)
Date: 2018
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Working Paper: Private Road Networks with Uncertain Demand (2017) Downloads
Working Paper: Private Road Networks with Uncertain Demand (2017) Downloads
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