Results 111 to 120 of about 1,209 (211)

On Spatial Point Processes With Composition‐Valued Marks

open access: yesInternational Statistical Review, EarlyView.
Summary Methods for marked spatial point processes with scalar marks have seen extensive development in recent years. While the impressive progress in data collection and storage capacities has yielded an immense increase in spatial point process data with highly challenging non‐scalar marks, methods for their analysis are not equally well developed ...
Matthias Eckardt   +2 more
wiley   +1 more source

Optimal Simple Ratings

open access: yesThe Journal of Industrial Economics, EarlyView.
ABSTRACT We study optimal simple rating systems that partition sellers into a finite number of tiers. We show that optimal ratings must be threshold partitions, and that for linear supply and Cournot competition with constant marginal cost, optimal thresholds solve a k‐means clustering problem requiring only the quality distribution.
Hugo Hopenhayn, Maryam Saeedi
wiley   +1 more source

RPM and Vertical Integration With Upstream Competition and Noncontractible Efforts

open access: yesThe Journal of Industrial Economics, EarlyView.
ABSTRACT We study RPM and vertical integration in a common agency setting with two differentiated manufacturers and one retailer, where consumer demand depends on both the manufacturers' and retailer's noncontractible efforts. Under vertical separation, the adoption of maximum RPM by both manufacturers is an equilibrium and intensifies competition ...
Michele Bisceglia   +3 more
wiley   +1 more source

Risk and outcomes of adrenal crisis in primary adrenal insufficiency: Evidence from a 24‐year nationwide cohort study

open access: yesJournal of Internal Medicine, EarlyView.
Abstract Background Adrenal crisis is a life‐threatening emergency. Despite preventive strategies, previous reports suggest increasing incidence and substantial mortality, but robust validated data are limited. Objective To assess temporal trends in adrenal crisis incidence and identify associated risk factors.
Ann‐Elin Meling Stokland   +29 more
wiley   +1 more source

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