Discrimination of born and unborn females is a well documented phenomenon in countries such as India, China, Taiwan or Korea. Empirical studies provide support for both an additive and a substitutive relationship between prenatal and postnatal discriminatory practices against females. We...

We present a model that is closely related to the so-called models of choice under complete uncertainty, in which the agent has no information about the probability of the outcomes. There are two approaches within the said models: the state space-based approach, which takes into account the...

The cleaning up of waste present in transboundary rivers, which requires the cooperation of diferent authorities, is a problematic issue, especially when responsibility for the discharge of the waste is not well-defined. Following Ni and Wang [12] we assume that a river is a segment divided into...

We study axiomatically situations in which the society agrees to treat voters with different characteristics distinctly. In this setting, we propose a set of six intuitive axioms and show that they jointly characterize a new class of voting procedures, called Personalized Approval Voting....