Economics for Today 9th Edition by Irvin Tucker

تمرين 31

Draw a graph without specific data for the expected relationship between the following variables:
a. The probability of living and age
b. Annual income and years of education
c. Inches of snow and sales of bathing suits
d. Number of football games won and the athletic budget
In each case, state whether the expected relationship is direct or inverse. Explain an additional factor that would be included in the ceteris paribus assumption because it might change and influence your theory.