In long-run equilibrium, all firms in a pure competition market situation will have identical costs even though they may use different production and operation techniques. ---- true
In the long run, firms reach equilibrium when they adjust their assets to produce at the lowest point of the long-term average cost (AC) curve. This curve is tangent to the demand curve defined by market prices. In the long run, the company will only get a normal profit. Markets are in long-term equilibrium when prices perfectly match production costs and the economy is at its full potential. In the long-run equilibrium, unemployment falls to its natural state. When this happens, the economy is using all its resources and the actual GDP equals the potential GDP.
A perfectly competitive market reaches long-term equilibrium when not all firms are making economic profits and the number of firms in the market does not change.
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