Suppose Equilibrium Real GDP Is Currently at $800 Billion and Investment

question 143

Multiple Choice

Suppose equilibrium real GDP is currently at $800 billion and investment is $100 billion. If an increase in the interest rate reduces investment from $100 billion to $75 billion, and the MPC is 0.8, the new level of equilibrium real GDP will be:

• A)$500 billion.
• B)$600 billion.
• C)$675 billion.
• D)$775 billion.
• E)$800 billion.

---

Definitions:

Investment Demand Curve

A graph showing the relationship between the rate of interest and the total amount of investment demanded by all sectors in the economy.

Market Interest Rate

The prevailing rate at which borrowers can secure loans and lenders receive returns, determined by supply and demand in the money market.

Autonomous Spending

Spending that does not depend on the current level of national income or output, such as investments, government spending, and exports.

Aggregate Expenditure Line

A graphical representation showing the total planned spending on goods and services at different levels of national income.