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Evaluating Large Projects when there are Substitutes: Looking for Possible Shortcuts

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  • Per-Olov Johansson
  • Ginés de Rus

Abstract

This paper discusses how to evaluate a large project when there is a substitute. The new large project causes discrete price adjustments in the substitute market. For example, a new high-speed rail may shift the demand curve for flight tickets to the left and reduce their price, in turn shifting the demand curve for train tickets to the left. There are several different ways to handle this complication, and we hopefully provide some guidance how to proceed. In particular, we point at an approach that captures the general equilibrium effects of a considered project in its output market. In theory at least, this approach provides a simple shortcut in cost–benefit analysis of (infrastructure and other) projects that are so large that they have a noticeable impact on equilibrium prices in other markets. A similar shortcut for transport projects that affect time costs is also supplied.

Suggested Citation

  • Per-Olov Johansson & Ginés de Rus, 2018. "Evaluating Large Projects when there are Substitutes: Looking for Possible Shortcuts," Working Papers 2018-12, FEDEA.
    • Handle: RePEc:fda:fdaddt:2018-12
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    Cited by:

    1. Ginés de Rus & Javier Campos & Daniel Graham & M. Pilar Socorro & Jorge Valido, 2020. "Evaluación Económica de Proyectos y Políticas de Transporte: Metodología y Aplicaciones. Parte 1: Metodología para el análisis coste-beneficio de proyectos y políticas de transporte," Working Papers 2020-11, FEDEA.
    2. Ginés de Rus & M. Pilar Socorro & Jorge Valido & Javier Campos, 2023. "Cost–Benefit Analysis of Transport Projects: Theoretical Framework and Practical Rules," Springer Books, in: Economic Evaluation of Transport Projects, chapter 0, pages 11-42, Springer.
    3. Ginés de Rus & Javier Campos & Armando Ortuno & M. Pilar Socorro & Jorge Valido, 2020. "Evaluación Económica de Proyectos y Políticas de Transporte: Metodología y Aplicaciones Parte 2: Análisis coste-beneficio de proyectos ferroviarios: líneas de alta velocidad y suburbanas," Working Papers 2020-12, FEDEA.

    More about this item

    JEL classification:

    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • H43 - Public Economics - - Publicly Provided Goods - - - Project Evaluation; Social Discount Rate
    • R40 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - General

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