Uber, the ride-hailing service, increases the price of a ride when demand increases, as happens, for instance, on New Year's Eve or during a snowstorm. An article in the New York Times discussed how new Uber drivers respond to fluctuations in the wages they earn: "Many of these drivers appeared to have an income goal in mind and stopped when they were near it, causing them to knock off sooner when their hourly wage was high and to work longer when their wage was low."

Source: Noam Scheiber, "How Uber Drivers Decide How Long to Work," New York

Times ,

September 4, 2016.

On the basis of this information, the labor supply curve for new Uber drivers is

A. upward sloping

B. downward sloping

C. backward sloping

For relatively low wages, the labor supply curve is