The Impact of Post-9/11 Airport Security Measures on the Demand for Air Travel
We examine the impact of two post-9/11 airport security measuresâ€”baggage screening and federalization of passenger screeningâ€”on demand for air travel in the United States. Exploiting the phased introduction of security measures across airports, we find that baggage screening reduced passenger volume by about 6 percent on all flights and by about 9 percent on flights departing from the nationâ€™s 50 busiest airports. In contrast, federalizing passenger screening had little effect on passenger volume. We provide evidence that the reduction in demand was an unintended consequence of baggage screening and not the result of contemporaneous price changes, airport-specific shocks, schedule changes, or other factors. This decline in air travel had a substantial cost. Back-of-the-envelope calculations indicate that the airline industry lost about $1.1 billion because of the decline, which is 11 percent of the loss attributed directly to 9/11.
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- Brueckner, Jan K & Spiller, Pablo T, 1994. "Economies of Traffic Density in the Deregulated Airline Industry," Journal of Law and Economics, University of Chicago Press, vol. 37(2), pages 379-415, October.
- Paul Seidenstat, 2004. "Terrorism, Airport Security, and the Private Sector," Review of Policy Research, Policy Studies Organization, vol. 21(3), pages 275-291, 05.
- James A. Brander & Anming Zhang, 1990. "Market Conduct in the Airline Industry: An Empirical Investigation," RAND Journal of Economics, The RAND Corporation, vol. 21(4), pages 567-583, Winter.
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