By Rand Corporation
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Additional resources for How Much Is Enough ?: Sizing the Deployment of Baggage Screening Equipment by Considering the Economic Cost of Passenger Delays
This remarkable result is surprising at first glance, but a simple explanation illustrates why it is valid. Machines, their manning, and maintenance are expensive items. S. airports every year. That number, estimated in this work to be 600 million in 2010, is sufficiently large that the costs associated with delays of a few minutes can add up to a very hefty sum. 5 billion. An additional point merits note. The delays discussed here are related to hedging against baggage-scanning delays and pertain to only a portion of the total number of passengers (70 percent used in this analysis).
60 per hour in dollars of 2000 purchasing power, adjusted upward by the change in nominal GDP per employed person between 2000 and 2003. S. Department of Transportation (2002) forecast, and our assumption that the ratio of trips to emplanements is two-thirds— that one-third of emplanements are people changing planes on the same trip). We assume that 70 percent of passengers check bags. 1 billion. 7) 51 How Much Equipment Is Enough? Minimizing Total Costs Annual Cost of Baggage-Screening Program in 2010 ($B) $9 $8 No Positive Profiling EDS rel.
The total machine buy size for the partitioned demand is the higher bar in the figure. We have shown the result as a function of machine reliability. The actual fractional increase is a function of reliability, growing as reliability decreases. 8. 44 We should note that this calculation understates the likely need. Additional factors (especially the existence of individual terminals) will force additional fractionation of the machines at the airport, leading to further inefficient usage. A serious examination of machine needs must take these factors into account if the result is to be satisfactory.