• You are looking for work as a car washer. How does the opening of more car washes in your area change your hourly wage prospects? khan academy
• In economics, we assert that savings is by definition equal to investment in the aggregate. Consider the purchase of a new Ford F-150 pick-up truck by a local farmer's market merchant. She uses the truck to bring fruits and vegetables from a nearby farm for her stand, but she also uses it as a private vehicle for everyday use. Is the purchase of truck consumption or investment?
• Would a one percent increase in the interest rate encourage you to consume less of your income today so you can put more of your money into an interest-bearing account (e.g., savings)?
• If the interest on your savings account was compounded more frequently (for example, twice a year as opposed to only once a year), would it make any difference in how much interest you earn?