Learning objectives

State the law of supply and explain why the supply curve slopes upward, linking it to rising marginal cost

Construct a supply curve from a supply schedule and distinguish individual supply from market supply

Distinguish a movement along the supply curve (change in quantity supplied) from a shift of the curve (change in supply)

Explain the determinants of supply: input prices, technology, number of sellers, expectations, prices of other goods the firm could produce, and taxes, subsidies and regulation

Show an increase or decrease in supply on a diagram and identify the direction of the shift

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