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  2. Multiplier (economics) - Wikipedia

    en.wikipedia.org/wiki/Multiplier_(economics)

    In macroeconomics, a multiplier is a factor of proportionality that measures how much an endogenous variable changes in response to a change in some exogenous variable. For example, suppose variable x changes by k units, which causes another variable y to change by M × k units.

  3. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities.

  4. Ripple effect - Wikipedia

    en.wikipedia.org/wiki/Ripple_effect

    A diagram of the Ripple effect illustrating how the "Weinstein Scandal" led all the way to the rise of the Me Too movement.A ripple effect occurs when an initial disturbance to a system propagates outward to disturb an increasingly larger portion of the system, like ripples expanding across the water when an object is dropped into it.

  5. Twist per inch - Wikipedia

    en.wikipedia.org/wiki/Twist_per_inch

    This Twist Multiplier is an empirical parameter that has been established by experiments and practice that the maximum strength of a yarn is obtained for a definite value of K. In the case of ring spun cotton yarns, for example, the following values of K have been found to give the best results.

  6. IS–LM model - Wikipedia

    en.wikipedia.org/wiki/IS–LM_model

    The multiplier effect of an increase in fixed investment resulting from a lower interest rate raises real GDP. This explains the downward slope of the IS curve. This explains the downward slope of the IS curve.

  7. Money multiplier - Wikipedia

    en.wikipedia.org/wiki/Money_multiplier

    In monetary economics, the money multiplier is the ratio of the money supply to the monetary base (i.e. central bank money). If the money multiplier is stable, ...

  8. List of mathematical abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical...

    This following list features abbreviated names of mathematical functions, function-like operators and other mathematical terminology. This list is limited to abbreviations of two or more letters (excluding number sets).

  9. Torsion constant - Wikipedia

    en.wikipedia.org/wiki/Torsion_constant

    In 1820, the French engineer A. Duleau derived analytically that the torsion constant of a beam is identical to the second moment of area normal to the section J zz, which has an exact analytic equation, by assuming that a plane section before twisting remains planar after twisting, and a diameter remains a straight line.