Arrow is pointing up shows the correct effect on the IS-MP framework if there is a credit crunch the economy, meaning banks are unwilling to lend except at high interest rates
A sudden scarcity of funds causes a financial institution's lending activity to diminish, which is referred to as a credit crunch. A credit crunch, which is frequently an extension of a recession, makes it practically impossible for businesses to obtain money because lenders are wary about defaults or bankruptcies, which raises rates.
In the IS/MP Model, the monetary policy (MP) curve stands in for the LM curve in the IS/LM Model, and the nominal interest rate is now the vertical axis instead of the real interest rate. With these modifications, the IS/MP Model may now concentrate on monetary policy in terms of the rate of inflation rather than the level of prices.
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