Answer:
D. if profit were positive, then firms would enter, decreasing price, and if profit were negative, then firms would exit, increasing price.
Explanation:
Perfectly competitive firms are price takers, hence they cannot influence the price of their products.
Perfectly competitive industries have no barriers to entry or exist of firms ,so if in the short run, firms are earning economic profit, then firms would enter into the industry , decreasing price, and if profit were negative, then firms would exit, increasing price. This makes perfect competitive firms to earn zero economic profit in the long run.
Answer:
4) All of the above
Explanation:
The day care program should have rewardedbeing on time to encourage this attitude.
Instead they put a price on being late. As parent considers this price cheap they arrive later to have some extra time beofre picking their childrens
Either the day care program reconsiders the fine policy and moves into a better program to estimulate being on time or it increases the "price" so is more expensive for the parents to come in time rather than paiying their fines.
Answer: Stratified Sampling
Explanation: Stratified sampling is a type of sampling method where the population is divided into groups called strata.
Participants will now be selected from each group at random to participate in the survey.
