The purchase price for stata version 12 (a leading statistical software program used by many economists) is $895. for users of stata version 11, the price to upgrade to version 12 is $395. which of the following statements is/are true regarding this pricing scheme?

a) stata is using a two-part tariff strategy.
b) stata is segmenting its market based on past purchasing behavior.
c) stata is practicing first-degree price discrimination by charging different groups at different prices.
d) the current users of stata are less price-sensitive than non-current users.

Karen is working on classifying all her company’s products in terms of whether they have strong or weak market share and whether this share is in a slow or growing market. what type of strategic framework is she using?

Acoase solution to a problem of externality ensures that a socially efficient outcome is to

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?