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The firm which produces at this output level is said to maximize profits. If the output produced is less than the equilibrium quantity (), as shown in the red part, then is greater than (>), and the profit is not maximized. The firm has in its interest to raise its output level to maximize profits, because the revenue gained will be more than ...
We can be sure this setup gives us the equilibrium levels as neither firm has an incentive to change their level of output as doing so will harm the firm at the benefit of their rival. Now substituting in q ∗ {\displaystyle q^{*}} for q 1 , q 2 {\displaystyle q_{1},q_{2}} and solving we obtain the symmetric (same for each firm) output ...
In dynamic equilibrium, output and the physical capital stock also grow at that same rate, with output per worker and the capital stock per worker unchanging. Similarly, in models of inflation a dynamic equilibrium would involve the price level , the nominal money supply , nominal wage rates , and all other nominal values growing at a single ...
The follower actually observes this and in equilibrium picks the expected quantity as a response. To calculate the SPNE, the best response functions of the follower must first be calculated (calculation moves 'backwards' because of backward induction). The profit of firm (the follower) is revenue minus cost.
Therefore, the sole equilibrium in the Bertrand model emerges when both firms establish a price equal to unit cost, known as the competitive price. [9] It is to highlight that the Bertrand equilibrium is a weak Nash-equilibrium. The firms lose nothing by deviating from the competitive price: it is an equilibrium simply because each firm can ...
Starting from one point on the aggregate demand curve, at a particular price level and a quantity of aggregate demand implied by the IS–LM model for that price level, if one considers a higher potential price level, in the IS–LM model the real money supply M/P will be lower and hence the LM curve will be shifted higher, leading to lower ...
As a producer's level of output increases, the firm moves from one of these tangency points to the next; the curve joining the tangency points is called the expansion path. [ 5 ] If an expansion path forms a straight line from the origin, the production technology is considered homothetic (or homoethetic). [ 6 ]
If the curves do not cross, there is no equilibrium and no equilibrium output can be determined. The AD curve will have a positive, vertical intercept as long as there is some aggregated demand—from consumer spending , investment, net exports, or government spending—even if there is no national output. [ 5 ]