In this lecture I first give an explanation for invidious preferences based on the (evolutionary) competition for resources. Then I show that these preferences have wide ranging and empirically relevant effects on labor markets, such as: workplace skill segregation, gradual promotions, wage...

An introduction to the "Gloves-off economy" / Annette Bernhardt, Heather Boushey, Laura Dresser, and Chris Tilly -- Working beyond the reach or grasp of employment law / Noah D. Zatz -- Putting wages back into competition : deunionization and degradation in place-bound industries / Ruth Milkman...