Linda saw a print ad in a magazine for clairol's natural essence semi-permanent hair color that she knew existed but did not know anything about it. the ad informed her that users of this hair dye will not see gray roots. in terms of the hierarchy-of-effects model, which step does this marketing communication represent?

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u.s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.