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focus on graphs a, b, and c
the ratchet effect describes the real-world prices tend to be downwardly inflexible
Fed will implement an expansionary monetary policy to increase excess reserves and lower the federal funds rate
Because excess reserves are how commercial banks and thrifts can earn profit by lending, the nation’s money supply will rise.
^^An increase in the money supply will lower the interest rate, increasing investment, aggregate demand, and equilibrium GDP.^^
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