%0 Journal Article %T Classification of $h$-homogeneous production functions with constant elasticity of substitution %A Bang-Yen Chen %J Tamkang Journal of Mathematics %D 2012 %I Tamkang University %R 10.5556/j.tkjm.43.2012.321-328 %X Almost all economic theories presuppose a production function, either on the firm level or the aggregate level. In this sense the production function is one of the key concepts of mainstream neoclassical theories. There is a very important class of production functions that are often analyzed in both microeconomics and macroeonomics; namely, $h$-homogeneous production functions. This class of production functions includes two important production functions; namely, the generalized Cobb-Douglas production functions and ACMS production functions. It was proved in 2010 by L. Losonczi cite{L} that twice differentiable two-inputs $h$-homogeneous production functions with constant elasticity of substitution (CES) property are Cobb-Douglas' and ACMS production functions. Lozonczi also pointed out in cite{L} that his proof does not work for production functions of $n$-inputs with $n>2$ %K Homogeneous production function %K constant elasticity of substitution %K Cobb-Douglas production function %K ACMS production function %U http://journals.math.tku.edu.tw/index.php/TKJM/article/view/1145