In a Malthusian world, what would improve the standard of living permanently?

A family on a trip budgets $800 for restaurant meals and fast food. The family can buy 16 restaurant meals if they don't buy any fast food. What is the price of a fast-food meal for the family?

a. $5 b. $16 c. $20 d. $50 e. it is impossible to tell from the information given

The big increase in the U.S. trade deficit in the mid-1970s was mainly due to ___________.

Fill in the blank(s) with the appropriate word(s).