The Coronavirus (COVID-19) may have had a significant negative impact on the UK economy. Use the 3-equation model diagrams to show how the economy can fall into a deflation trap. Explain, with reference to the diagrams, how the central bank or government can intervene to escape the trap. Show the relevant – S curve and re-label the MR as the PR to indicate that fiscal policy is being used. Are there any reasons why these policies might not work?
In the face of COVID-19, deflation has been exacerbated, and the figure above is an example of how the deflation trap can be analyzed in the Keynesian model. The Fisher equation from the figure would be i=r+ᴨE. The central bank will have to adjust nominal rates to modify the real...