Business Travel Index
The Business Travel Index (BTI) was created by Severin Borenstein.
"An Index of Inter-City Business Travel for Use in Domestic Airline Competition Analysis", Severin Borenstein, June 2010.
Abstract: This note documents the construction of an index of the share of commercial airline travel to and from cities that is for business purposes. The index is based on the 1995 American Travel Survery, a large-scale survey of long-distance domestic transportation, which includes 113,842 person-trips on domestic commercial airlines.
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