An investor holds a very conservative portfolio invested for retirement, but she takes some extra cash she earned from her year-end bonus and buys gold futures. she appears to be engaging in
a. overconfidence
b. representativeness
c. forecast errors
d. mental accounting

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?

Which plan offers a tax-free education?

Three years ago, the city of recker committed to build a park and music venue by the river. it was expected to cost $2.5 million and be paid for from an additional meals tax in the community. the residents pushed back. local restaurants suffered as people ate out less or patronized restaurants in neighboring communities. the project has stalled, but the town council kept pushing it on. this spring, a flood devastated the venue. the town council appears to have suffered from bias