If an economic model includes an assumption that there are only two nations in the world, this would be an example of

A result of an exchange rate depreciation, would occur as the spending patterns change in response to a change in the exchange rate.

a. expenditure switching from domestic to foreign products b. expenditure switching from foreign to domestic products c. expenditure switching from rural to urban producers d. terms-of-trade deterioration

Based on the table, what is Barry's marginal benefit from the 40th slice of pizza?

A) $3 B) $5.50 C) $0.50 D) $12