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Open Access Publications from the University of California

Preferences Which Have Open Graphs

  • Author(s): Bergstrom, Ted
  • Parks, Robert
  • Rader, Trout
  • et al.

Gale and Mas-Collel and Shafer and Sonnenschein introduced powerful new theorems on the existence of competitive equilibrium which used the assumption that the graph of the strict preference relation P is an open set. We show when this condition is satisfied and when it is not.

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