Which of the following statements is true of insider trading? a. Insider trading holds back information from financial markets that moves stock prices closer to the point that reflects their true value.
b. Allowing insider trading deters the employees of a firm from working for the benefit the firm.
c. When an insider-trading stock transaction leads to one person's gain and another's loss, it amounts to fraud.
d. Insiders as well as outsiders can lay legitimate claims on gains from stock sales that take advantage of others.

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.)