In this article, we give the complete classification of homothetic production functions with minimal isoquants, solving an open problem raised in C.-D. Neacşu et al., Math. Methods Appl. Sci. 47 (9) (2024), pp. 7532-7545 and generalizing some recent results obtained in Y. Fu, Y. Luo, J. Math. Anal. Appl. 541 (2025) 128670.
Alina-Daniela Vîlcu (Wed,) studied this question.
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