In the first part of the paper we consider the main properties, with respect to stability and existence of solutions of multi-sectoral economic models, of Metzlerian and Morishima matrices. In the second part we introduce various generalized Metzlerian matrices, in order to enlarge the results of Ohyama (1972) in the study of stability and comparative statics for a Walrasian-type equlibrium model.
This paper sums up in a common analytical structure the main results, scattered in economic literature, concerning the linearity between rate of profit and real wage in a simple Sraffa's model. The paper is mainly based on previous results of one of the two authors and on results of Miyao (Int Econ Rev 18:151-162, 1977) and Schefold (Zeitschrift für angewandte
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