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Tutorial   22018

A leftward shift of a product supply curve might be caused by: An improvement in the relevant technique of production. A decline in the prices of ...

Question:

A leftward shift of a product supply curve might be caused by:

  1. An improvement in the relevant technique of production.
  2. A decline in the prices of needed inputs.
  3. An increase in consumer incomes.
  4. Some firms leaving an industry.

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