Okun’s Law survives 50 years – trouble for the neo-liberals

The IMF recently released an interesting Working Paper – Okun’s Law: Fit at 50? – which considers the relationship between the unemployment rate and real GDP growth. I mentioned Arthur Okun in yesterday’s blog. The paper is useful because it debunks a lot of recent research from mainstream economists which claimed that real GDP growth did not bring unemployment down (or not by much). The arguments were then part of the general attack on fiscal activism. The IMF paper finds that the output gaps created by the GFC in the US were so large, that the recovery had to be stronger than usual to eat into the massive buildup in unemployment. The fact that the output gaps have persisted well into the recovery means that fiscal policy has not been aggressive enough in the US. The large output gap that the GFC created needed a very large fiscal response.The bottom line is that shifts in the unemployment is driven by changes output (with the other cyclical adjustments noted above which mediate this relationship). Not a lot has changed – spending equals income which drives employment growth and leads to reductions in unemployment. The neo-liberals can deny that until the cows come homebut those of us who read understand the evidence know they are lying. The message just needs to spread.

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