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Three-year-old Jake ran up to the neighbor's new lab puppy.The puppy barked loudly and playfully jumped up on Jake, knocking him down.Although he was not hurt, the experience did frighten Jake.The next time he saw another lab puppy in the park, he hugged his mother's knees and began to cry.The puppy would be the conditioned stimulus in this example.
Perfect Competitor
A firm in a perfectly competitive market, where there are many buyers and sellers, all products are identical, and no single buyer or seller can influence the market price.
Perfect Competitor
A theoretical market structure where numerous small firms compete against each other with no single company controlling the market price.
Long Run
A period in economics sufficient for all markets to adjust, including production, labor, and capital.
Marginal Revenue
The additional income received from selling one more unit of a product.
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