Though most of his work has been published in Japan so far, Professor Okishio's articles have had a great impact on the discussion in mathematical economics in the world. This is in particular true for his publications on Marxian Economics. Here, Professor Okishio has provoked ongoing discussion on the fundaments of the 'Labor Theory of Value', on the controversy over the 'Falling Rate of Profit' and on numerous more detailed subjects of Marxian Mathematical...