Will Prices Fall?

Will Competitive Bidding Decrease Medicare Prices?

Recent measures to reduce Medicare spending include the use of competitive bidding in determining reimbursement prices. Several competitive bidding experiments have been conducted by the Centers for Medicare and Medicaid Services (CMS) to determine reimbursement prices. This paper investigates the use of competitive bidding to set reimbursement prices for durable medical equipment, prosthetics,...

DotComMania:The Rise and Fall of Internet Stock Prices

This paper explores a model based on agents with heterogenous beliefs facing short sales restrictions, and its explanation for the rise, persistence, and eventual fall of Internet stock prices. First, we document substantial short sale restrictions for Internet stocks. Second, using data on Internet holdings and block trades, we show a link between heterogeneity and price e¡ects for Internet st...

Will your patient fall? Cues to intervene now.

Masks Will Fall Off - Higher-Order Optimal Distinguishers

Higher-order side-channel attacks are able to break the security of cryptographic implementations even if they are protected with masking countermeasures. In this paper, we derive the best possible distinguishers (High-Order Optimal Distinguishers or HOOD) against masking schemes under the assumption that the attacker can profile. Our exact derivation admits simple approximate expressions for h...

Why electronic publishing means people will pay different prices

The open access movement may be the most prominent aspect of the profound ongoing evolution of scholarly communication, but it is far from the only one. Electronics is loosening the straitjacket of print, but only slowly. Technologies take time to become widely adopted, and sociological change even longer. Most journals are already available electronically, for example, but they remain largely ...