Biørn, Erik; Skjerpen, Terje; Wangen, Knut Reidar - Økonomisk institutt, Universitetet i Oslo - 2004
Parametric aggregation of heterogeneous micro production technologies is discussed. A four-factor Cobb-Douglas function with normally distributed firm specific coefficients and with log-normal inputs (which agrees well with the available data) is speciffied. Since, if the number of micro units...