Avideo game developer hires two types of workers to develop games: game coders (x1) and game testers (x2). the developer produces games according to the following production function:

y=x^1/2 1x^1/2 2,

where y stands for the number of games developed per month, and x1 and x2 stand for, respectively, the number of programmers and testers hired per month. because both types of workers freelance using their own tools, the video game developer does not require any other inputs. the markets for both programmers and testers are competitive.

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Explain whether each of the following events increases, decreases, or has no effect on the unemployment rate and the labor-force participation rate. a. after a long search, jon finds a job. b. tyrion, a full-time college student, graduates and is immediately employed. c. after an unsuccessful job search, arya gives up looking and retires. d. daenerys quits her job to become a stay-at-home mom. e. sansa has a birthday, becomes an adult, but has no interest in working. f. jaime has a birthday, becomes an adult, and starts looking for a job. g. cersei dies while enjoying retirement. h. jorah dies working long hours at the office.

Kendrick is leaving his current position at a company, and charlize is taking over. kendrick set up his powerpoint for easy access for himself. charlize needs to work in the program that is easy for her to use. charlize should reset advanced options