The market for "lemons": quality uncertainty and the market mechanism -- The economics of caste and of the rat race and other woeful tales -- The economics of "tagging" as applied to the optimal income tax, welfare programs, and manpower planning -- A theory of social custom, of which unemployment may be one consequence -- Jobs as dam sites -- The economic consequences of cognitive dissonance with William T. Dickens -- Labor contracts as partial gift exchange -- Loyalty filters.