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  2. Lexicographic preferences - Wikipedia

    en.wikipedia.org/wiki/Lexicographic_preferences

    Even though the first option contains fewer total goods than the second option, it is preferred because it has more Y. Note that the number of X's is the same, and so the agent is comparing Y's. Even though the third option has the same total goods as the first option, the first option is still preferred because it has more X.

  3. Veterans' Preference Act - Wikipedia

    en.wikipedia.org/wiki/Veterans'_Preference_Act

    Towards the end of the Civil War, Congress passed the first significant veterans' preference legislation.This act provided that: Persons honorably discharged from the military or naval service by reason of disability resulting from wounds or sickness incurred in the line of duty shall be preferred for appointments to civil offices, provided they are found to possess the business capacity ...

  4. Veterans' Access to Care through Choice, Accountability, and ...

    en.wikipedia.org/wiki/Veterans'_Access_to_Care...

    The Veterans' Access to Care through Choice, Accountability, and Transparency Act of 2014 (H.R. 3230; Pub. L. 113–146 (text)), also known as the Veterans Choice Act, is a United States public law that is intended to address the ongoing Veterans Health Administration scandal of 2014.

  5. Pattern theory - Wikipedia

    en.wikipedia.org/wiki/Pattern_theory

    Pattern theory, formulated by Ulf Grenander, is a mathematical formalism to describe knowledge of the world as patterns.It differs from other approaches to artificial intelligence in that it does not begin by prescribing algorithms and machinery to recognize and classify patterns; rather, it prescribes a vocabulary to articulate and recast the pattern concepts in precise language.

  6. Social choice theory - Wikipedia

    en.wikipedia.org/wiki/Social_choice_theory

    Social choice theory is a branch of welfare economics that extends the theory of rational choice to collective decision-making. [1] Social choice studies the behavior of different mathematical procedures (social welfare functions) used to combine individual preferences into a coherent whole.

  7. Debreu's representation theorems - Wikipedia

    en.wikipedia.org/wiki/Debreu's_representation...

    All the responses are recorded and form the person's preference relation. Instead of recording the person's preferences between every pair of options, it would be much more convenient to have a single utility function - a function that maps a real number to each option, such that the utility of option A is larger than that of option B if and ...

  8. Discrete choice - Wikipedia

    en.wikipedia.org/wiki/Discrete_choice

    Example: Please give your rating of how well the President is doing. 1: Very badly 2: Badly 3: Okay 4: Well 5: Very well. Or, Example: On a 1-5 scale where 1 means disagree completely and 5 means agree completely, how much do you agree with the following statement. "The Federal government should do more to help people facing foreclosure on ...

  9. Von Neumann–Morgenstern utility theorem - Wikipedia

    en.wikipedia.org/wiki/Von_Neumann–Morgenstern...

    That is, they proved that an agent is (VNM-)rational if and only if there exists a real-valued function u defined by possible outcomes such that every preference of the agent is characterized by maximizing the expected value of u, which can then be defined as the agent's VNM-utility (it is unique up to affine transformations i.e. adding a ...