Results 211 to 220 of about 5,289 (253)

Hospital Mergers, Hospital Choice, and Care Quality for Pregnant Enrollees in Medicaid.

open access: yesJAMA Health Forum
Desai SM   +3 more
europepmc   +1 more source

Medical Debt and Entry of Satellite Freestanding Emergency Departments.

open access: yesJAMA Netw Open
Marthey D, Ukert B, Andreyeva E.
europepmc   +1 more source

Interval Estimation of the Herfindahl-Hirschman Index under Incomplete Market Information

open access: yes2014 UKSim-AMSS 16th International Conference on Computer Modelling and Simulation, 2014
An interval estimate is provided for the Herfindahl-Hirschman Index (HHI) when the knowledge about the market is incomplete, and we know just the largest market shares. Two rigorous bounds are provided for the HHI, without any further assumptions. Though the interval gets wider as the sum of the known market shares gets smaller, the estimate proves to ...
Maurizio Naldi, Marta Flamini
exaly   +3 more sources

Herfindahl–Hirschman index level of concentration values modification and analysis of their change

Central European Journal of Operations Research, 2014
The Herfindahl–Hirschman Index (HHI) that measures the level of concentration in a given industry is a well-known and commonly accepted one indicator of market competition. On the basis of European Union Commission guidelines and HHI values, the given industry can be characterized as unconcentrated, moderately concentrated or concentrated. The paper is
Ivan Brezina   +3 more
exaly   +2 more sources

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