Caspar Hare ["Rationality and the Distant Needy," Philosophy & Public Affairs 35 (2007): 161-78] has offered two distinct, but related, arguments whose purpose is to show that anyone in a position to help someone in great need at little personal cost who is minimally decent must violate one or...

This article provides an introduction to the use of social welfare functions for the comparative evaluation of social alternatives. Three main approaches are considered: Bergson–Samuelson social welfare functions, Arrovian social welfare functions, and Sen's social welfare functionals....

We develop a North-South model in which a firm that enjoys monopoly status in the North (by virtue of a patent or a trademark) has the incentive to price discriminate internationally because Northern consumers value its product more than Southern ones. While North's policy regarding the...

There are a number of single-profile impossibility theorems in social choice theory and welfare economics that demonstrate the incompatibility of dominance criteria with various nonconsequentialist principles given some rationality restrictions on the rankings being considered. This article is...

We develop a North-South model in which a firm that enjoys monopoly status in the North (by virtue of a patent or a trademark) has the incentive to price discriminate internationally because Northern consumers value its product more than Southern ones. While North's policy regarding the...

In this paper we investigate the nature of rational expectations equilibria for economic epidemiological models. Unlike mathematical epidemiological models, economic epidemiological models can produce regions of indeterminacy or instability around the endemic steady states. We consider SI, SIS,...

Cloud computing brings together several existing technologies including service oriented architecture, distributed grid computing, virtualization, and broadband networking to provide software, infrastructure, and platforms as services. Under the old IT model, companies built their own server...

Syphilis has re-emerged as a global public health issue. In lesser developed countries, millions of people are contracting the disease, which can be fatal without access to proper treatment. In developed countries, prevalence is on the rise and has cycled around endemic levels for decades. We...