Bill and nancy, managers at sanzen inc., want to the check the consistency of results for a performance measure that uses ratings by a supervisor. they want to know if different supervisors would rate the same behavior the same way. in the context of criteria for effective performance management, bill and nancy are interested in the measure's
a. specificityb. accountabilityc. test-retest reliabilityd. interrater reliabilitye. validity

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)