When a TV show boosts demand for a hat, economists explain the price jump with the ...

Comparative advantage refers to the ability of an entity to produce a good or service at a lower opportunity cost than another. While this concept is important in trade and production, it does not directly explain price fluctuations resulting from changes in consumer demand due to external influences like a TV show.

Opportunity cost represents the value of the next best alternative foregone when making a choice. Although relevant to decision-making, it does not specifically address the dynamics of price changes resulting from increased demand for goods influenced by external factors, such as media exposure.

The multiplier effect describes how an initial change in spending (such as an increase in demand) can lead to a larger overall increase in economic activity. However, it does not directly explain the immediate price response due to increased demand for a specific product like the hat featured on a TV show.