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Title:Biased quality investments and organisational structures in network industries: An application to the railway industry PDF Logo
Authors:Pakula, Benjamin
Götz, Georg
Issue Date:2011
Series/Report no.:Joint discussion paper series in economics 09-2011
Abstract:This paper analyses the incentives to upgrade input quality in vertically related (network) industries. Upstream investments have a biased effect on the downstream companies and lead to vertical product differentiation. Different vertical structures such as vertical integration, ownership and legal unbundling lead to different investments. We find that, without regulation, vertical integration and legal unbundling regimes provide highest investment incentives and lead to highest welfare. However, we also find foreclosure in the downstream market if the potential degree of horizontal product differentiation of the entrant is low. Under ownership unbundling, investment incentives are lower but there is never foreclosure of the entrant since this would worsen double marginalisation. When the network operator is subject to a break-even regulation, the investment incentives are crowded out under legal and ownership unbundling whereas they remain nearly unchanged under vertical integration. Welfare and consumer surplus decrease under legal unbundling, but increase under the two other regimes.
Subjects:vertical integration
investment
foreclosure
regulation
JEL:D2
D4
L43
L51
L92
Document Type:Working Paper
Appears in Collections:MAGKS Joint Discussion Paper Series in Economics, Universität Marburg

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