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2. Supply and demand - Wikipedia

   en.wikipedia.org/wiki/Supply_and_demand

   Supply chain as connected supply and demand curves. In microeconomics, supply and demand is an economic model of price determination in a market. It postulates that, holding all else equal, the unit price for a particular good or other traded item in a perfectly competitive market, will vary until it settles at the market-clearing price, where ...

3. Demand curve - Wikipedia

   en.wikipedia.org/wiki/Demand_curve

   A demand curve is a graph depicting the inverse demand function, [1] a relationship between the price of a certain commodity (the y -axis) and the quantity of that commodity that is demanded at that price (the x -axis). Demand curves can be used either for the price-quantity relationship for an individual consumer (an individual demand curve ...

4. Economic graph - Wikipedia

   en.wikipedia.org/wiki/Economic_graph

   The graph depicts an increase (that is, right-shift) in demand from D 1 to D 2 along with the consequent increase in price and quantity required to reach a new equilibrium point on the supply curve (S). A common and specific example is the supply-and-demand graph shown at right. This graph shows supply and demand as opposing curves, and the ...

5. Inverse demand function - Wikipedia

   en.wikipedia.org/wiki/Inverse_demand_function

   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. Multiply the inverse demand function by Q to derive the total revenue function: TR = (120 - .5Q) × Q = 120Q - 0.5Q². The marginal revenue function is the first derivative of the total ...

6. Edgeworth box - Wikipedia

   en.wikipedia.org/wiki/Edgeworth_box

   In economics, an Edgeworth box, sometimes referred to as an Edgeworth-Bowley box, is a graphical representation of a market with just two commodities, X and Y, and two consumers. The dimensions of the box are the total quantities Ω x and Ω y of the two goods. Let the consumers be Octavio and Abby. The top right-hand corner of the box ...

7. AD–AS model - Wikipedia

   en.wikipedia.org/wiki/AD–AS_model

   The AD–AS or aggregate demand–aggregate supply model (also known as the aggregate supply–aggregate demand or AS–AD model) is a widely used macroeconomic model that explains short-run and long-run economic changes through the relationship of aggregate demand (AD) and aggregate supply (AS) in a diagram. It coexists in an older and static ...

8. Cobweb model - Wikipedia

   en.wikipedia.org/wiki/Cobweb_model

   Cobweb model. The cobweb model or cobweb theory is an economic model that explains why prices may be subjected to periodic fluctuations in certain types of markets. It describes cyclical supply and demand in a market where the amount produced must be chosen before prices are observed.

9. Engel curve - Wikipedia

   en.wikipedia.org/wiki/Engel_curve

   Engel curve and other demand function models still fail to explain most of the observed variation in individual consumption behavior. [ 2 ] As a result, many scholars acknowledge that influences other than current prices and current total expenditure must be systematically modeled if even the broad pattern of demand is to be explained in a ...