The market supply curve for labor is upsloping because:

A) of diminishing returns.
B) employers as a group must pay higher wage rates to obtain more workers.
C) of declining MRC.
D) each employer is a "wage taker."

Market Supply Curve

A graphical representation showing the quantity of a good that sellers are willing and able to sell at different prices.

Labor

The human effort, both physical and mental, used in the production of goods and services.

Wage Rates

The standard amount of pay given for work performed, typically expressed as an hourly rate or salary.