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  2. Equation of exchange - Wikipedia

    en.wikipedia.org/wiki/Equation_of_exchange

    In monetary economics, the equation of exchange is the relation: = where, for a given period, is the total money supply in circulation on average in an economy. is the velocity of money, that is the average frequency with which a unit of money is spent.

  3. Economic calculation problem - Wikipedia

    en.wikipedia.org/wiki/Economic_calculation_problem

    The problem of planning production is the knowledge problem explained by Hayek (1937, 1945), but first mentioned and illustrated by his mentor Mises in Socialism (1922), not to be mistaken with Socialism: An Economic and Sociological Analysis (1951). The planning could either be done in a decentralised fashion, requiring some mechanism to make ...

  4. List of unsolved problems in economics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Transformation problem: The transformation problem is the problem specific to Marxist economics, and not to economics in general, of finding a general rule by which to transform the values of commodities based on socially necessary labour time into the competitive prices of the marketplace. The essential difficulty is how to reconcile profit in ...

  5. Hierarchy problem - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_problem

    In theoretical physics, the hierarchy problem is the problem concerning the large discrepancy between aspects of the weak force and gravity. [1] There is no scientific consensus on why, for example, the weak force is 10 24 times stronger than gravity .

  6. Cambridge capital controversy - Wikipedia

    en.wikipedia.org/wiki/Cambridge_capital_controversy

    This causes a change in the distribution of income, the nature of the various capital goods demanded, and thus a change in their prices. This causes a change in the value of K (as discussed above). So, again, the rate of return on K (i.e., r ) is not independent of the measure of K , as assumed in the neoclassical model of growth and distribution.

  7. Change-making problem - Wikipedia

    en.wikipedia.org/wiki/Change-making_problem

    One variation of this problem assumes that the people making change will use the "greedy algorithm" for making change, even when that requires more than the minimum number of coins. Most current currencies use a 1-2-5 series , but some other set of denominations would require fewer denominations of coins or a smaller average number of coins to ...

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  9. Real business-cycle theory - Wikipedia

    en.wikipedia.org/wiki/Real_business-cycle_theory

    2. Unemployment reflects changes in the amount people want to work. Paul Krugman argued that this assumption would mean that 25% unemployment at the height of the Great Depression (1933) would be the result of a mass decision to take a long vacation. [5] 3. Monetary policy is irrelevant to economic fluctuations.