Exactly. The National Bureau of Economic Research just did a paper on this: http://www.nber.org/papers/w23296 http://www.nber.org/papers/w23296 and found twi

Exactly. The National Bureau of Economic Research just did a paper on this: http://www.nber.org/papers/w23296 http://www.nber.org/papers/w23296 and found twice the supplier surplus compared to more inflexible working arrangements. They estimate that if drivers had to work at the same rates, but for inflexible hours, they'd reduce their hours worked by 2/3s.