Answer: C. investment, which requires borrowing, which requires a functioning loanable funds market.
Explanation:
GDP is primarily used to gauge the health of a country's economy. It is the monetary value of all the finished goods and services produced within a country's borders in a specific time period and includes anything produced by the country's citizens and foreigners within its borders.
The Gross Domestic Product measures the value of economic activity within a country. Strictly defined, GDP is the sum of the market values, or prices, of all final goods and services produced in an economy during a period of time. ... GDP is a number that expresses the worth of the output of a country in local currency.