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Tay A, (2003)
‘Assessing Competition in Hospital Care Markets: the Importance of
Accounting For Quality Differentiation’
Rand Journal of Economics, 34 (4): 786-814
- Examines the importance of accounting for quality differentiation when
estimating the effect of competition in the spatially differentiated
hospital care market.
- Uses national U.S. cross-section data to ask how patients
weigh differences
in hospital distance and quality when deciding where to be treated.
Key results:
- Estimates suggest that while spatial differentiation is important,
patients are willing to incur the greater costs of travel to obtain
a higher-quality service (the quality-distance trade-off.)
- Demand
responses to both distance and quality are substantial so that quality
and distance are important determinants of hospital choice.
- The estimates also suggest that, when a hospital is closed, patients
do not substitute toward alternative hospitals in proportion to
current market shares, implying that geographic market concentration
is an
inappropriate measure of hospital competitiveness.
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