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Summary. For his proof of the existence of a general competitive equilibrium Abraham Wald assumed a strictly pseudomonotone inverse
market demand function or, equivalently, that market demand satisfies the Weak Axiom of Revealed Preference. It is well known
that more recent existence theorems do not need this assumption.
In order to clarify its role in Wald's proof, the question of existence of an equilibrium for a modified version of the Walras-Cassel
model is reduced to the solvability of a related variational inequality problem. In general, the existence of a solution to
such a problem can only be proved by advanced mathematical methods. We provide an elementary induction proof which demonstrates
the essence of Abraham Wald's famous contribution.
Received: July 22, 1997; revised version: December 11, 1997 相似文献
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Neil Remington Abramson 《Journal of Business Ethics》2007,72(2):115-129
Archetypal psychology suggests the possibility of a leadership archetype representing the unconscious preferences of human
beings as a species about the appropriate relationships between leaders and followers. Mythological analysis compared God’s
leadership in the Abraham myth with modern visionary, ethical and situational leadership to find similarities reflecting continuities
in human thinking about leadership over as long as 3600 years. God’s leadership behavior is very modern except that God is
generally more relationship oriented. The leadership archetype that emerges is of a leader that develops his/her follower
by reliably maintaining a vision, behaving according to firm ethical values even when it weakens the leader’s authority, accepting
suffering when the follower is unreliable, and always forgiving even when the follower behaves with hubris in an attempt to
overthrow the leader. If God’s leadership principles were mandatory in management, many dysfunctional leaders would be disqualified
and many of the negative consequences of poor leadership might be averted.
Neil Remington Abramson is an Associate Professor of Strategy, Specialist in building effective business relationships in
comparative management contexts. 相似文献
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