9. which of the following is an example of secondary research?
a. hiring a marketing firm
b. gathering statistics online
c. observing reactions to free samples
d. conducting trial-and-error testing

The chart shows a production possibilities schedule for sabrina’s soccer. combination: soccer balls: soccer nets: a 10 0 b 8 1 c 6 2 d 4 3 e 2 4 f 0 5 which statement correctly explains the chart? a. the opportunity cost of producing one soccer net is eight soccer balls. b. the opportunity cost of producing two soccer nets is two soccer balls. c. the opportunity cost of producing two soccer balls is one soccer net. d. the opportunity cost of producing four soccer balls is three soccer nets.

Suppose a firm faces a fixed price of output, 푝푝= 1200. the firm hires workers from a union at a daily wage, 푤푤, to produce output according to the production function 푞푞= 2퐸퐸12. there are 225 workers in the union. any union worker who does not work for this firm is guaranteed to find nonunion employment at a wage of $96 per day. a. what is the firm’s labor demand function? b. if the firm is allowed to choose 푤푤, but then the union decides how many workers to provide (up to 225) at that wage, what wage will the firm set? how many workers will the union provide? what is the firm’s output and profit? what is the total income of the 225 union workers? c. now suppose that the union sets the wage, but the firm decides how many workers to hire at that wage (up to 225). what wage will the union set to maximize the total income of all 225 workers? how many workers will the firm hire? what is the firm’s output and profit? what is the total income of the 225 union workers? [hint: to maximize total income of union, take the first order condition with respect to w and set equal to 0.]

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate