Consumer choices

Step 1 — Read the observation: A student chooses between transport and meals within a fixed budget. Step 2 — Recall the relevant idea: A budget constraint describes affordable combinations at given prices and income. Step 3 — Connect the observation to the idea: The scenario is an illustration of budget constraint. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

Step 1 — Read the observation: A model ranks bundles by an individual's preferences. Step 2 — Recall the relevant idea: Utility represents satisfaction or preference in a model rather than a directly comparable happiness score. Step 3 — Connect the observation to the idea: The scenario is an illustration of utility. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

Step 1 — Read the observation: A fourth snack is less appealing than the first. Step 2 — Recall the relevant idea: Additional units may provide smaller added satisfaction under specified conditions. Step 3 — Connect the observation to the idea: The scenario is an illustration of diminishing marginal utility. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

Step 1 — Read the observation: A buyer willing to pay twelve dollars pays eight. Step 2 — Recall the relevant idea: Consumer surplus is willingness to pay above the amount actually paid in a market model. Step 3 — Connect the observation to the idea: The scenario is an illustration of consumer surplus. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

Step 1 — Identify the quantities and assumptions in the prompt. Step 2 — Select the relationship: Consumer surplus for one unit = willingness to pay - price paid. Step 3 — Calculate: 26 - 15 = 11. Step 4 — Report with units: 11 dollars. This result applies to the stated example, not a forecast or personal recommendation.

Step 1 — Read the observation: A shopper spends an hour comparing offers. Step 2 — Recall the relevant idea: Search costs include time or resources used to find and compare options. Step 3 — Connect the observation to the idea: The scenario is an illustration of search cost. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.

Step 1 — Read the observation: A seller knows more about a used item's defects. Step 2 — Recall the relevant idea: Information asymmetry occurs when parties possess different relevant information. Step 3 — Connect the observation to the idea: The scenario is an illustration of information asymmetry. Step 4 — Check the limit: This short scenario illustrates the concept; it does not establish every detail or exclude every other influence in a real situation.