Testing Polymers is Costly

Testing healthcare workers for AIDS is costly, ineffective.

T he debate on whether healthcare professionals should be tested for the human immunodef ic iency virus J (HIV) has fired up recently, especially since the case of the Florida dentist who infected five patients. Until then most patients and healthcare professionals perceived the risk of patient infection as theoretical at best. Hut repeated questions have arisen recently about the mandatory tes...

Signalling among relatives . I . Is costly signalling too costly ?

Zahavi’s handicap principle, originally proposed as an explanation for sexual selection of elaborate male traits, suggests that a sufficient cost to dishonest signals can outweigh the rewards of deception and allow individuals to communicate honestly. Maynard Smith (1991) and Johnstone & Grafen (1992) introduce the Sir Philip Sidney game in order to extend the handicap principle to interactions...

Taxation When Borrowing Is Costly

The implications for taxation theory of a life-cycle model of consumption incorporating financial transactions costs are derived. The equity case for progressive taxation is shown to correspond, in a life-cycle setting, to an efficiency case. Individuals prefer a progressive tax system to a proportional one because the tax burden is lower when they are young and face high transactions costs of ...

Rheological Testing of Thermosetting Polymers

Is Subsidizing Inefficient Bidders Actually Costly?

Michael H. Rothkopf • Ronald M. Harstad • Yuhong Fu Rutgers Business School and RUTCOR, Rutgers University, 640 Bartholomew Road, Piscataway, New Jersey 08854-8003 Rutgers Business School and RUTCOR, Rutgers University, 640 Bartholomew Road, Piscataway, New Jersey 08854-8003 Moody’s, 96 Church Street, New York, New York 10007 [email protected] • [email protected] • yvonne.fu@...