In a new model of work schedules, employers choose the number of working hours and either dictate the exact hours to be worked or delegate that decision to workers via flextime. Workers' preferences over schedules influence their productivities. An inverted-U-shaped hours-output profile arises;...

What role has affirmative action played in the growth of minority and female employment in U.S. firms? This paper analyzes this issue by comparing the employment of minorities and women at firms holding federal contracts and therefore mandated to implement affirmative action, and at...