Shiller says policy is captured and communicated by metaphors, the most effective being belt tightening for a family. However what works for a family does not work for a country in the same way, especially if not accompanied by other measures and implemented in a strict manner without looking at the real situation. Better suggests Shiller, and more real is the metaphor of "winter on the family farm," where people work to do other chores than planting and harvesting, because a lot of other things need to be done and this is a good time to do it. This would include cleaning up the place, fixing the farm and the barn, fixing machinery, building fences. The farm's members pay a tax in terms of donated labor which goes to do all the work needed and helps the farm's productiveness as the weather changes. Similiarly the Salant-Paul Samuelson balanced budget theorem from the FDR days shows an increase in national output by the amount of a tax, such as the one proposed in France by president Hollande; that would then be invested in hiring more teachers (the labor) and investing in education infrastructure....