I illustrate the surprising strategic effects a lack of common knowledge can have in a simple example. I analyze a two-person bargaining game in which the seller makes a single take-it-or-leave-it offer. The seller knows everything except possibly what information the buyer has. If it is common knowledge that the buyer knows the value of the object or if it is common knowledge that the buyer do...

The paper suggests a definition of "know who" as modality using Grove-Halpern semantics names. It also introduces logical system that describes the interplay between modalities "knows who", "knows", and "for all agents". main technical result is completeness theorem for proposed system.

The U.S. Department of Health and Human Services (HHS) adopted the Institute of Medicine’s recommendation that eight preventive services for women, including at least one annual well-woman visit (WWV), be included in the defined list of preventive care services providedwithout cost sharing under the Affordable Care Act (ACA, Section 2713; Institute of Medicine, 2011). WWVs are a key feature of ...

Who lives in a sampled household is the first and subsampled. Followup interviews were conducted most fundamental thing a survey or census must for 85 percent of eligible individuals–one third with determine, if interviews with its members are to represent the individuals themselves, and the remainder with a population completely. Yet, little systematic attention knowledgeable proxies. has been...