TY - BOOK AU - Cooper,Russell AU - Johri,Alok TI - Learning by doing and aggregate fluctuations AV - HB3711 C666L PY - 1999/// CY - Cambridge, Mass. PB - National Bureau of Economic Research KW - BUSINESS CYCLES KW - UNITED STATES KW - ECONOMETRIC MODELS KW - EMPLOYEES KW - TRAINING OF KW - ORGANIZATIONAL LEARNING KW - LABOR PRODUCTIVITY ER -