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Is seasonal adjustment a linear or nonlinear data filtering process?
Ghysels, Eric, (1995)
On periodic structures and testing for seasonal unit roots
Forecasting erros in the absence of a futures market : the seasonal allocation of wheat supplies in India
Ramaswami, Bharat, (2000)
Production and cost models of a multi-product firm : a mathematical programming approach
Knudsen, Niels C., (1973)
Danish banking : the new competition and its consequences
Knudsen, Niels C., (1986)
Individual and social optimization in a multiserver queue with a general cost-benefit structure
Knudsen, Niels Chr., (1972)