Assertion: airline | /r/HasSubevent | perfect price discrimination
Facets:
value: almost
type: DEGREE
value: in some cases
type: TEMPORAL
Source sentences:
text: The advent of advanced computerized reservations systems in the late 1970s, most notably Sabre, allowed airlines to easily perform cost-benefit analyses on different pricing structures, leading to almost perfect price discrimination in some cases (that is, filling each seat on an aircraft at the highest price that can be charged without driving the consumer elsewhere).