• 4A PPC
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  • At point D, the economy is inefficient. So can we increase both goods and services without any opportunity cost? True or false?
    True
  • Why is it that there are two possible shapes on a PPC?
    because the opportunity cost can be constant or increasing.
  • What happens if there is innovation in an economy?
    This causes a shift in the PPC because improved production processes helps to boost efficiency.
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