which of the following does Skidelsky(2011) emphasize as supporting the relevance of keynes’s ideas in analyzing the 2007-8 financial crisis and the recession that followed it?
1. sticky wages and prices preventing the adjustment of employment to lower aggregate demand
2. global imbalances in the desire to save and invest
3. excessive budget deficits and increases in public debt
4. the mispricing of risky financial assets
5. expansion of the money supply through quantitative easing