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| Transport (microeconomics) | |
|---|---|
| Name | Transport (microeconomics) |
| Discipline | Microeconomics |
| Related | Logistics; Urban economics; Industrial organization |
Transport (microeconomics) examines choice, allocation, and market behavior in movement of goods and people, integrating firm theory, consumer choice, and welfare analysis to explain how transport services are produced, priced, and regulated. It draws on models of demand and supply, cost structures, network externalities, and public intervention to analyze outcomes for firms, travelers, shippers, and municipalities. Case studies often reference major hubs, firms, and policies to illustrate interactions between private incentives and public interests.
Transport microeconomics defines transport services as marketable movements provided by firms such as Maersk, Deutsche Bahn, Delta Air Lines, Union Pacific Railroad, and Uber Technologies and consumed by households linked to locations like New York City, Tokyo, London, Los Angeles, and Shanghai. Core concepts include firm cost functions studied by scholars associated with London School of Economics, Massachusetts Institute of Technology, Stanford University, University of Chicago, and University of California, Berkeley and demand behavior linked to travel patterns in studies of Paris, Singapore, Hong Kong, São Paulo, and Mumbai. Definitions reference regulatory frameworks in jurisdictions such as European Union, United States, China, India, and Brazil and institutions including Federal Aviation Administration, European Commission, International Maritime Organization, World Bank, and Organisation for Economic Co-operation and Development.
Demand analysis uses revealed preference and stated preference methods applied in contexts like Tokyo Station, Grand Central Terminal, Heathrow Airport, Los Angeles International Airport, and Beijing Capital International Airport to estimate value of time, modal choice, and elasticity parameters used by consultancies and researchers at McKinsey & Company, Boston Consulting Group, Institute for Transportation and Development Policy, RAND Corporation, and National Bureau of Economic Research. Consumer heterogeneity models draw on discrete choice frameworks popularized by academics at Cornell University, Princeton University, Columbia University, Yale University, and University of Michigan, and are applied to ride-hailing demand in case studies involving Uber Technologies, Lyft, Didi Chuxing, Grab, and Ola Cabs. Demand shifters often reference events such as 2008 financial crisis, SARS outbreak, COVID-19 pandemic, Hurricane Katrina, and 2004 Indian Ocean earthquake and tsunami with impacts measured via elasticity estimates and welfare changes used by International Monetary Fund and Asian Development Bank.
Supply-side analysis highlights cost categories in modes operated by firms like FedEx, UPS, Norfolk Southern Railway, Airbus, and Boeing and infrastructure owners such as Network Rail, Port of Rotterdam Authority, Panama Canal Authority, Suez Canal Authority, and Metropolitan Transportation Authority. Fixed costs, sunk costs, and marginal costs are estimated using data from World Trade Organization, U.S. Department of Transportation, European Central Bank, Bank of Japan, and Reserve Bank of India, while technological change from companies such as Tesla, Inc., Toyota, Siemens, Bombardier Transportation, and General Motors affects cost curves and productivity. Economies of scale and scope appear in empirical studies of containerization linked to Port of Singapore, Port of Shanghai, Maersk Line, APL, and Hapag-Lloyd.
Market structure ranges from monopolies and natural monopolies in networks like London Underground, Metropolitan Transportation Authority, RATP Group, and SNCF to oligopolies in air transport among carriers such as American Airlines, British Airways, Lufthansa, Air France–KLM, and Japan Airlines and competitive logistics markets featuring DHL, DB Schenker, Kuehne + Nagel, XPO Logistics, and Ceva Logistics. Entry barriers, mergers, and alliances are shaped by decisions reviewed by authorities like Federal Trade Commission, Competition and Markets Authority, European Commission Directorate-General for Competition, China State Administration for Market Regulation, and National Development and Reform Commission. Examples include consolidation episodes such as the Airline Deregulation Act aftermath in the United States and privatizations involving British Rail and British Airways.
Pricing regimes include marginal-cost pricing, peak-load pricing, and two-part tariffs applied by agencies such as Transport for London, Port of Los Angeles, California Public Utilities Commission, Federal Railroad Administration, and Civil Aviation Authority. Regulation addresses access pricing for incumbents like Network Rail and Amtrak and competition policy enforcement involving cases judged by European Court of Justice and U.S. Supreme Court. Public policy instruments include subsidies, congestion charges exemplified by the London congestion charge, emissions trading linked to the European Union Emissions Trading System, and infrastructure financing via institutions such as European Investment Bank, Asian Infrastructure Investment Bank, Inter-American Development Bank, International Finance Corporation, and Export-Import Bank of the United States.
Externalities in transport manifest as local air pollution near corridors like I-95 corridor, noise near hubs such as Heathrow Airport and Los Angeles International Airport, and greenhouse gas emissions addressed in international accords like the Paris Agreement and protocols considered by United Nations Framework Convention on Climate Change. Congestion externalities are modeled with examples from Mumbai Suburban Railway, Beijing Ring Road, São Paulo's traffic crisis, Mexico City's programmatic reforms, and Istanbul's bottlenecks, with mitigation instruments studied by OECD, ICLEI, C40 Cities Climate Leadership Group, Bloomberg Philanthropies, and World Resources Institute.
Investment analysis examines cost–benefit appraisal for projects like Crossrail, California High-Speed Rail, Grand Paris Express, Trans-Siberian Railway, and Suez Canal expansion and the role of public–private partnerships in deals involving Bechtel, ACS Group, Vinci, FCC Construcción, and China Railway Group. Network effects and path dependence are important in studies of hub-and-spoke systems at Atlanta Hartsfield-Jackson International Airport, Singapore Changi Airport, Dubai International Airport, Port of Rotterdam, and Hamburg Hafen and in modal shift dynamics influenced by technology providers such as Siemens Mobility, Alstom, Hitachi Rail, CRRC Corporation Limited, and Bombardier. Financing mechanisms reference sovereign funds like Norwegian Government Pension Fund Global and instruments evaluated by International Finance Corporation and European Investment Bank.