Tag Archives: correlation

January this year, John Taylor posted a scatterplot on his blog. He plotted quarterly US unemployment against fixed investment as a fraction of GDP for 1990q1-2010q3, and found a very strong negative correlation (jpg ). In contrast, the relationship between government spending and unemployment tended to be positive, albeit not so strong. On the latter finding he notes that “the correlation is not due to any reverse causation from high unemployment to more government purchases”. Overall, he therefore concludes that “Encouraging the creation and expansion of businesses should be the focus on government efforts to reduce unemployment” and further: “The recent compromise agreement to prevent the increase in tax rates … Continue reading →