Aparcel delivery company delivered 103,000 packages last year, when its average employment was 84 drivers. this year the firm handled 112,000 deliveries with 96 drivers. what was the percentage change in productivity over the past two years? (negative value should be indicated by a minus sign. round your intermediate calculations and final answer to 2 decimal places.)

Evelyn would like to open a small business that is categorized as a being in the distribution industry. to do this she could open a establishment.

Dr. dow jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. of the six sections of economics 101 at his university, dr. jones randomly assigns three sections to the traditional method and three sections to the problem-based method for unit 1 of the course. then all sections switch the instructional method for unit 2. he plans to compare the performance of the two groups of sections on their unit 1 and unit 2 exams. this study employs a design.

Select all that apply. select the ways that labor unions can increase wages. collective bargaining reducing the labor supply increasing the demand for labor creating monopolies