A decrease in the interest rate, other things constant, will:
a. shift the supply of loanable funds curve to the left.
b. shift the supply of loanable funds curve to the right.
c. decrease the quantity of loanable funds demanded.
d. decrease the quantity of loanable funds supplied

The above figures show the market for HD televisions. If research is published showing that watching HD television shows causes eye damage, then which figure shows the effect of this change?

A) Figure A B) Figure B C) Figure C D) Figure D E) None of the figures represent this change.

Producing leather creates external costs in the form of water pollution. The figure above illustrates the market for leather. In the absence of any government regulation, how many tons of leather will be produced?

A) 0 tons B) 200 tons C) 300 tons D) more than 300 tons E) None of the above answers is correct.