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The transition from the short-run to the long-run may be done by considering some short-run equilibrium that is also a long-run equilibrium as to supply and demand, then comparing that state against a new short-run and long-run equilibrium state from a change that disturbs equilibrium, say in the sales-tax rate, tracing out the short-run ...
If the long-run export and import elasticities equal .5 and -.5, exports will rise 5% to $63 million and imports will fall 5% to $104.5 million. The long-run result is a trade deficit of $41.5 million, smaller than the short-run deficit but bigger than the original deficit of $40 million before the depreciation.
In the United States the unofficial beginning and ending dates of national economic expansions have been defined by an American private non-profit research organization known as the National Bureau of Economic Research (NBER). The NBER defines an expansion as a period when economic activity rises substantially, spreads across the economy, and ...
The IS–LM model shows the relationship between interest rates and output in the short run in a closed economy. The intersection of the "investment–saving" (IS) and "liquidity preference–money supply" (LM) curves illustrates a "general equilibrium" where supposed simultaneous equilibria occur in both the goods and the money markets.
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The theoretical foundation of post-Keynesian economics is the principle of effective demand that demand matters in the long as well as the short run, so that a competitive market economy has no natural or automatic tendency towards full employment. [9]
The principal difference between short run and long run profit maximization is that in the long run the quantities of all inputs, including physical capital, are choice variables, while in the short run the amount of capital is predetermined by past investment decisions. In either case, there are inputs of labor and raw materials.
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.