Operations Research and Economic Theory: Essays in Honor of Martin J. Beckmann

Martin Beckmann is going to celebrate his sixtieth birthday. This is almost unbelievable considering the vitality, ingenuity, and activity which he continues to show as he always did. It is an honor­ able and pleasant duty for the whole economics community to show hirn the respect, gratitude, and affection which he deserves. Thus, those' who have contributed to this festschrift may be thought of as a dele­ gation from a much larger community in which all of us are joined; the editors in par...