If the price of potato chips increases, other things constant, demand for potato-chip dip will:
a. not change; only quantity demanded will change.
b. increase, because the goods are substitutes.
c. decrease, because the goods are substitutes.
d. decrease, because the goods are complements.
e. increase, because the goods are complements.
Question 2
Which of the following pairs is the best example of complements?
a. Coffee and tea. b. DVDs and tapes.
c. Hiking boots and athletic shoes. d. Tortillas and salsa.
Mr Potato Head
Attention and memory are in demand during circle time.
The demand for energy is met by burning coal and other fossil fuels
The demand for cheap coal to generate electrical power is rising
Real Price of Oil, 1861–2010
Living and non living things