2.1 National Saving: The Supply of Loanable Funds 5=Y-CY-)-G As in Chapter 3, national saving does not depend on the interest rate S SI CHAPTER 8 The Open Economy slide 11CHAPTER 8 The Open Economy slide 11 National Saving: The Supply of Loanable Funds r S, I As in Chapter 3, national saving does not depend on the interest rate S Y C Y T G = − − − ( ) S 2.1