1.1 Study Designs
※ Survival Analysis
; Deals with analysis of data that have "time to an event".
※ Survival time
; Time until an event occurs.
; a. relapse of a disease
c. response to a treatment
To obtain answers quickly because the cas
: an airport directly faces the demand of final consumers (passengers and shippers), thus by-passing airlines operating at the airport.
the method to investigate vertical structure Of airport, airlines(downstream firms) and customers
Objective of this paper
to investigate how the market structure of down Stream carriers