00398nam a2200121Ia 4500008004100000040001700041082002300058100002300081245011400104260002600218300001600244650001600260190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta332.6bB615N  aBiolley, Tanguy De 2aA new class of neo-classical productions functions with corresponding investment behaviourcTanguy De Biolley  aBelgiumbCerunac1972  aviii, 158p.  aInvestments