Regarding people's preferences, behavioral economists observe that these preferences are:

Malcolm has several receipts from recent transactions that he entered in his records. the receipts include an atm receipt for an $80.00 deposit, a grocery store receipt for $25.50, and a paycheck deposit slip for $650.00 when he finishes entering his transactions, malcolm realizes that his balance is incorrect. assuming that malcolm had no beginning balance, what should his correct balance be?

As a project manager for a large construction company, shaun decided to make the performance appraisal process as painless as possible for his crew. he spent a considerable amount of time creating performance standards he felt were reasonable, and after six months' time, he scheduled individual appointments with each worker to discuss strengths and weaknesses and areas that needed improvement according to the standards he privately set. some employees were sent to vestibule training, and one even got a promotion with additional compensation. what did he fail to do correctly

Any point on a country's production possibilities frontier represents a combination of two goods that an economy: