A change in price of a good or service typically causes ___________________________ for that specific good or service.

Question

BlackTom AI · Accepted Answer

When examining how price affects a single good or service, the standard microeconomic idea is that a change in its price leads to a movement along the existing supply curve, not a shift of the curve itself.

Option synthesis:
- The provided answer states: 'a change along the supply curve.' This aligns with the concept that price changes cause quantity supplied to adjust while remaining at the same resource costs, technology, and prices of other inputs. In other words, the curve itself is unchanged; you move to a different point on that curve.
- If there were any other options, they would typically describe a shift of the entire supply curve. A supply curve shift occurs when non-price factors—such as technology, input costs, taxes, subsidies, or expectations—alter the quantity supplied at every price. Those kinds of changes are not caused by price changes alone, but by those external determinants.

Why the alternative phrasing (if present) would be incorrect:
- A statement like 'a change in quantity supplied due to a change in demand' would conflate two distinct markets effects and misattribute the cause to the other side of the market.
- 'A shift of the supply curve due to price change' would be logically inconsistent, since price changes move along the curve, not shift the curve.
- Any claim that price changes affect only consumer demand or only one specific producer’s behavior without considering the market supply curve would mischaracterize the standard supply-demand framework.

In short, the key idea is that price changes translate into movements along the existing supply curve (changes in quantity supplied), while shifts of the supply curve require non-price determinants to change overall supply at all price levels.

经济&202 33295 第三章测验

A change in price of a good or service typically causes ___________________________ for that specific good or service.

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