The reason a supply curve is upward sloping is that producing more units makes it more expensive to produce each individual unit.

Question

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As production increases, the marginal cost of production also increases, leading to a higher price that sellers must charge to cover their costs and make a profit. Therefore, the supply curve typically slopes upwards from left to right, indicating that higher quantities will be offered for sale at higher prices.

The Reason a Supply Curve Is Upward Sloping Is That