We consider a release manager who sequentially releases new versions of her product, and ask how she should account for the overall level of competitive intensity in her industry. We model the problem within a combinatorial framework in which new releases consist of discrete features. Motivated...

The Centers for Medicare and Medicaid Services (CMS) Star Ratings methodology for publicly evaluating hospitals uses a latent variable model that is based on the presumption of a single, but unobservable, hospital-specific quality factor shared across a group of performance measures. Performance...

A recent Medicare bundled payment pilot program gives a single health care provider a financial incentive to keep total payments to all providers during a multi-week episode of patient care under a certain value. We estimate the effect of the pilot for knee and hip replacements using data from...

Recently, various environmental problems have been generated with the rapid economic development in China. That's because China currently over-emphasized economic development beyond environmental issues; therefore, now it is important to enforce optimal environmental policies in order to achieve...

Increasing scarcity of freshwater resources and growing environmental awareness give rise to the use of reclaimed wastewater as an additional source of water supply. However, the amount of wastewater that can be reclaimed for reuse is subject to many factors, ranging from technical possibility...

Purpose: Malicious attacks extremely traumatize knowledge networks due to increasing interdependence among knowledge elements. Therefore, exposing the damage of malicious attacks to knowledge networks has important theoretical and practical significance. Despite the insights being offered by...