I refer to the unsolved ones, not to those that are pretty satisfactorily solved already. I focus on our two acronyms SF1 and SF2, where SF can be read as Staggering Fact or as Structural Fact. In the terminology of John Maynard Keynes SF1 generates a chronic shortfall of the inducement to invest. Once a society comes to depend on investment-for-the-sake-of-production-for-the-sake-of-sale-for- the- sake-of-profit to meet its needs, investment becomes its drug. It can never get enough of it. SF2 generates a chronic insufficiency of effective demand.
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