Explain the difference between saving and investment as defined by a macroeconomist. Which of the following situations represent investment? Saving? Explain.
Your family takes out a mortgage and buys a new house.
You use your $200 paycheck to buy stock in AT&T.
Your roommate earns $100 and deposits it in his account at a bank.
You borrow $1000 from a bank to buy a car to use in your pizza delivery business
