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Pricing and Investment Decisions for a Tollway With Possible Route Substitution onto Alternative Congested Roads
Author(s) -
Choe Chongwoo,
Clarke Harry
Publication year - 2000
Publication title -
australian economic papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 15
eISSN - 1467-8454
pISSN - 0004-900X
DOI - 10.1111/1467-8454.00076
Subject(s) - substitution (logic) , investment (military) , competition (biology) , offset (computer science) , economics , road pricing , substitution effect , traffic congestion , microeconomics , transport engineering , business , computer science , engineering , ecology , politics , political science , law , biology , programming language
Socially optimal pricing and investment decisions are analysed for a tollway that experiences competition from unpriced, congested roads. The resulting ‘second‐best’ problem has a simple qualitative structure: optimal tolls are set lower than they would be without the unpriced congestion. The impact of such low tolls would be to induce higher levels of tollway traffic demand than would occur without route substitution possibilities. However, such demands are offset by installing less capacity than would be installed without route substitution.