Why Are Keynesian Multipliers Larger in Hard Times? A Palley-Aftalion-Pasinetti Explanation

We use the Annual Macroeconomic database of the European Commission (AMECO) to confirm that textbook multipliers are nearly always greater than one and that they increase during recessions. Propensity to import falls in recessions through the combined effects of the amplified fall in investment and the high import content of investment. A change in saving behavior may also raise the multiplier. These findings strongly support the need for countercyclical fiscal policies during recessions.