Martin was trying to sell pumps for circulating water in decorative goldfish ponds when he realized that the reason he was not able to sell many pumps was the weight of the model he was trying to sell. he approached his firm's engineering team with the idea to replace every possible metal part of the pump with a hard plastic substitute. after making the change in design, the pumps became lightweight and were better able to meet customers' requirements. as the martin identified an opportunity, saw the project from its conception to the development of a lighter model pump.

a. change agent
b. gatekeeper
c. driver
d. spotter
e. champion

How does the economy of cuba differ from the economy of north korea? in north korea, the government’s control of the economy has begun to loosen. in cuba, the government maintains a tight hold over the economy. in cuba, the government’s control of the economy has begun to loosen. in north korea, the government maintains a tight hold over the economy. in north korea, there is economic uncertainty in exchange for individual choice. in cuba, there is economic security in exchange for government control. in cuba, there is economic uncertainty in exchange for individual choice. in north korea, there is economic security in exchange for government control.\

1) u.s. real gdp is substantially higher today than it was 60 years ago. what does this tell us, and what does it not tell us, about the well-being of u.s. residents? what are the limitations of the gdp as a measure of economic well-being? given the limitations, why is gdp usually regarded as the best single measure of a society’s economic well-being? 2) what is an intermediate good? how does an intermediate good differ from a final good? explain why it is the case that the value of intermediate goods produced and sold during the year is not included directly as part of gdp, but the value of intermediate goods produced and not sold is included directly as part of gdp.

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?