Category: Economics

In 2-3 sentences, explain why marginal costs are important to a healthcare provider. Include both a definition (10 points) and an example (5 points) in your answer.
Definition (10 points): Marginal cost is the additional cost of producing one more unit of service or care, and it matters because it tells providers whether expanding services will increase costs faster than revenues, guiding efficient resource allocation.
Example (5 points): For instance, if a clinic finds the marginal cost of one extra outpatient visit is $50 (staff time, supplies, overhead), it should schedule additional visits only if reimbursement or patient benefit exceeds that $50.

➤ When are elections held for U.S. Senate, California State Senate, and State Assembly?
General elections for federal and state offices take place on the first Tuesday after the first Monday in November of even-numbered years. U.S. Senate terms last six years, State Senate terms are four years (staggered), and Assembly terms are two years. Primaries occur earlier, and special elections can fill vacancies between cycles.

3.
➤ How do economists distinguish inferior goods from normal goods using income elasticity?
They calculate income elasticity of demand: percentage change in quantity divided by percentage change in income. A negative elasticity signals an inferior good. A positive elasticity indicates a normal good. Empirical estimates from household data or surveys confirm whether a product is inferior or normal.

If we place a price floor of $8 and the equilibrium price is $7 and the equilibrium quantity is 20 units. How do you find the quantity demand and quanity supplied?
Answer
Because the price floor ($8) is above the equilibrium price ($7), the floor is binding and the market price will be $8 rather than $7.
The quantity demanded at the new price is Qd = D(8). The quantity supplied at the new price is Qs = S(8).
Without the explicit demand and supply functions you cannot compute numeric values. You can, however, conclude that Qd < 20 and Qs > 20, so a surplus occurs equal to Qs − Qd.
To get numbers, substitute p = 8 into the demand and supply equations (for example, if D(p) = a − b p and S(p) = c + d p, compute D(8) and S(8)).

Economists use the term ceterus poritus to indicate thatA) the analysis is true for the individual but not for the economy as a wholeB) supply and demand are in balance

➤ Why does the sum of exponents determine returns to scale in Cobb–Douglas functions?
The sum of exponents equals the degree of homogeneity. If the sum exceeds one, scaling inputs raises output more than proportionately (increasing returns); equal to one gives constant returns; less than one yields decreasing returns. This follows from scaling all inputs by the same factor and observing how output scales.