A consensus seems to be emerging in economics that at least three motives are at work in many strategic decisions: distributive preferences, reciprocal preferences and self-interest. An important obstacle to this research, however, has been moral biases, i.e., the distortions created by...

We present an axiomatic model depicting the choice behavior of a self-interest seeking moral individual over random allocation procedures. Individual preferences are decomposed into a self-interest component and a component representing the individual's moral value judgment. Each component has a...