Suppose that parttime employees are paid lower wages, so the average wage is lower at stores with higher shares of part-time workers. Also assume that higher wages have a positive effect on sales by incentivizing employee effort. Which of the following best describes what you would expect to happen to the coefcient on pctpt if a variable avgwage, measuring the average wage at each store, were included in the model? [select 1 answer] 0 Bioetpt is likely to change, but we cannot predict whether it will increase or decrease A O pctpt would not change. A O ' . pctpt would Increase (become less negative) 0 pctpt would decrease (become more negative)