Utopia and macroeconomics
…explaining the assumptions and the consequences of mainstream macroeconomics for the precarious impacted by them.
Read more of @dfruccio’s #utopoia series here</a
From the beginning, mainstream macroeconomics has been a battleground between the visible and the invisible hand.
Keynesian macroeconomics, represented on the left-hand side of the chart above, has an aggregate supply curve with a long horizontal section at levels of output (Y or real GDP) below full employment (Yfe). What this means is that the aggregate demand determines the actual level of output, which can be and often is at less than full employment (e.g., when AD falls from AD1 to AD2, output to Y1, and prices to P2), with no necessary tendency to return to full employment and price stability. Therefore, according to Keynesian economists, the visible hand of government needs to step in and, through a combination of fiscal and monetary policy, move the economy toward full employment (at Yfe) and stable prices (at P1).
Neoclassical macroeconomists, like their classical predecessors, have a very different view of the…
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