After DeLong's " L ESS THAN 100,000 PAYROLL JOBS, A 58.5% EMPLOYMENT-TO-ADULT-POPULATION RATIO EXACTLY WHERE IT WAS A YEAR AGO, AND LABOR FORCE PARTICIPATION DOWN BY 0.5 PERCENTAGE POINTS IN THE PAST YEAR " I once more started thinking of the Keynesian animal spirits . Keynes attributed the so called "Great 1929 Depression", back in 1933, to the low profit expectations of the business coordinators and other economic agents. As a result, investment was being gravely hindered by the adverse economic environment and by the blunted consumption (demand) resulted by the unemployment. Bradford DeLong is anxiously concerning for what he could reply to future "whippersnapper economic historians who will come to interview him" for the currently sluggish economic activity of the US. I do not blame him! He does not overreact, either! I have something in mind that could serve as an answer to future historical quests. It has been a while since I first started ...