A movement upward and to the left along a given demand curve is called a decrease in demand

If Q = K2L2 the MPL is

a. constant b. diminishing c. increasing

Economists:

A. always put the independent variable on the horizontal axis and the dependent variable on the vertical axis. B. always put the dependent variable on the horizontal axis and the independent variable on the vertical axis. C. are somewhat arbitrary in assigning independent and dependent variables to the horizontal and vertical axes. D. measure the slope of a line differently than do mathematicians.