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  2. Demand curve - Wikipedia

    en.wikipedia.org/wiki/Demand_curve

    If income were to change, for example, the effect of the change would be represented by a change in the value of "a" and be reflected graphically as a shift of the demand curve. The constant b is the slope of the demand curve and shows how the price of the good affects the quantity demanded. [6]

  3. Inverse demand function - Wikipedia

    en.wikipedia.org/wiki/Inverse_demand_function

    The marginal revenue function has twice the slope of the inverse demand function. [9] The marginal revenue function is below the inverse demand function at every positive quantity. [10] The inverse demand function can be used to derive the total and marginal revenue functions. Total revenue equals price, P, times quantity, Q, or TR = P×Q.

  4. Price elasticity of demand - Wikipedia

    en.wikipedia.org/wiki/Price_elasticity_of_demand

    A linear demand curve's slope is constant, to be sure, but the elasticity can change even if / is constant. [ 13 ] [ 14 ] There does exist a nonlinear shape of demand curve along which the elasticity is constant: P = a Q 1 / E {\displaystyle P=aQ^{1/E}} , where a {\displaystyle a} is a shift constant and E {\displaystyle E} is the elasticity.

  5. Law of demand - Wikipedia

    en.wikipedia.org/wiki/Law_of_demand

    A change in demand is indicated by a shift in the demand curve. Quantity demanded, on the other hand refers to a specific point on the demand curve which corresponds to a specific price. A change in quantity demanded therefore refers to a movement along the existing demand curve. However, there are some exceptions to the law of demand.

  6. Elasticity (economics) - Wikipedia

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

    Within microeconomics, elasticity and slope are closely linked. For price elasticity, the relationship between the two variables on the x-axis and y-axis can be obtained by analyzing the linear slope of the demand or supply curve or the tangent to a point on the curve.

  7. Demand - Wikipedia

    en.wikipedia.org/wiki/Demand

    The demand curve facing a particular firm is called the residual demand curve. The residual demand curve is the market demand that is not met by other firms in the industry at a given price. The residual demand curve is the market demand curve D(p), minus the supply of other organizations, So(p): Dr(p) = D(p) - So(p) [14]

  8. Marginal rate of substitution - Wikipedia

    en.wikipedia.org/wiki/Marginal_rate_of_substitution

    Under the standard assumption of neoclassical economics that goods and services are continuously divisible, the marginal rates of substitution will be the same regardless of the direction of exchange, and will correspond to the slope of an indifference curve (more precisely, to the slope multiplied by −1) passing through the consumption bundle in question, at that point: mathematically, it ...

  9. Supply and demand - Wikipedia

    en.wikipedia.org/wiki/Supply_and_demand

    In keeping with modern convention, a demand curve would instead be drawn with price on the x-axis and demand on the y-axis, because price is the independent variable and demand is the variable that is dependent upon price. Just as the supply curve parallels the marginal cost curve, the demand curve parallels marginal utility, measured in ...