The model proposed that effective group performance depended upon the proper match between the leader's style of interacting with his or her followers and the degree to which the situation allowed the leader to control and influence.

What could cause a production possibilities curve to move down and to the left? a.) a nation loses land after being defeated in a war. b.) an increase in the use of computer technology speeds up production c.) a baby boom 20 years ago results in a large number of young adults in the population today. d.) thousands of investors from overseas invest money in a nations economy.