Interpersonal relations are shaped by the judgements associated with the social categories that individuals perceive in their social contacts. I develop a model of how those judgments form based on a theory of symbolic values. The model depicts the interaction between two values, one associated...

Environmental impact assessment is currently the major Brazilian institution that routinely seeks community input about infrastructure projects. It is criticized both by activists who think it permits projects it should not and by project proponents who think that it is too slow and blocks...