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...