Although several articles have investigated ethical product attributes, earlier research has not empirically examined different benefits offered by ethical attributes (i.e., symbolic or utilitarian benefits). This study demonstrates that ethical attributes have functional benefits as well as...

In this paper, we incorporate the periodic therapy from antiretroviral drugs for HIV into the standard within-host virus model, and study the stability and bifurcation of the system. It is shown that when the basic reproduction number of virus is less than one, there is an infection-free...

Individuals are attuned to cues of quality in potential mates. Mate quality is assessed on both an absolute scale, independent of the observer, and also on a relative scale, dependent on attributes of the observer. Much research has focused on how individuals respond to either absolute or...