After reviewing the existing data on seasonal spending by his company's customers, Marv decided he needed new information collected to address his research questions. Marv will need data to address the questions in his marketing research study.

What do economists mean when they use the latin expression ceteris paribus?

Taking commercial paper means the holder acts honestly

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.)