Private decisions about consumption of common resources and production of public goods usually lead to anA. efficient allocation of resources and no external effects. B. efficient allocation of resources and external effects. C. inefficient allocation of resources and external effects. D. inefficient allocation of resources and no external effects.

Licensing is perhaps the easiest method of entering into international trade. another method of entering international trade, which can be relatively low risk, is which opens several levels of involvement to company

Select all that apply. select the ways that labor unions can increase wages. collective bargaining reducing the labor supply increasing the demand for labor creating monopolies

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening.a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number.include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?