00643nam a2200145Ia 4500008004100000010001300041040001700054082002800071110005200099245014500151260004800296300001400344440006800358650007100426190328s9999||||xx |||||||||||||| ||und||  a59-11083  aNITILcNITIL  221sta338.544063bN277Q  aNational Bureau of Economic Research (New York) 4aThe quality and economic significance of anticipation databa conference of the Universities-national bureau committee for economic research  aPrincetonbPrinceton University Pressc1960  axi, 466p.  aNational bureau of economic research: special conference series  aBusiness cycles; Capital; Economic forecasting-Mathematical models