In the above figure, the slope across the arc between a and b is

The demand curve for high-skilled workers lies to the right of the demand curve for low-skilled workers because of the higher productivity of high-skilled workers

Indicate whether the statement is true or false

Openness and change in the economic models of India and China have meant for the world economy all of the following EXCEPT

A) hundreds of millions of people have escaped poverty. B) many manufactured goods and services have become cheaper. C) forced some firms to downsize, offshore or otherwise change business practices. D) increased the market power of firms in industrialized countries as they gained most from this evolving trade.