One of the most important conclusions of recent theoretical work on the economics of inequality is the recognition that equity and efficiency represent complementary policy goals in many contexts. In this essay, I examine possible complementarities between equality and efficiency from the...

A strategy profile of a normal form game is proper if and only if it is quas-perfect in every extensive form (with that normal form). Thus, properness requires optimality along a sequency of supporting trembles, while sequentiality only requires optimality in the limit.