# 32 years despite increased production last year B u s i n e s s F i n a n c e

32 years despite increased production last year B u s i n e s s F i n a n c e

What are the differences between the microeconomic and macroeconomic perspectives on the economy?

In current business publications, find examples of firms whose strategies to increase profits focus primarily on generating more revenue. Compare these cases with firms that are trying to cut costs to increase profits

The demand curve is given by

QD=500−5PX+0.5I+10PY−2PZQD=500−5PX+0.5I+10PY−2PZ

where

QD=quantity demanded of good XPX=price of good XI=consumer income, in thousandsPY=price of good YPY=price of good ZQD=quantity demanded of good XPX=price of good XI=consumer income, in thousandsPY=price of good YPY=price of good Z

1. Based on the demand curve above, is X a normal or an inferior good?
2. Based on the demand curve above, what is the relationship between good X and good Y?
3. Based on the demand curve above, what is the relationship between good X and good Z?
4. What is the equation of the demand curve if consumer incomes are \$30,000, the price of good Y is \$10, and the price of good Z is \$20?
5. Graph the demand curve that you found in (d), showing intercepts and slope.
6. If the price of good X is \$15, what is the quantity demanded? Show this point on your demand curve.
7. Now suppose the price of good Y rises to \$15. Graph the new demand curve.

Consider the following facts.62

• Easing drought conditions in the Black Sea wheat belt are causing world wheat production to recover.
• China is consuming nearly a quarter of the U.S. soybean crop to feed its hogs and chickens that are demanded by its expanding middle class.
• Farmers have typically responded to high prices by planting more land.
• The USDA predicts that U.S. farmers will increase the land used for the nation’s eight largest crops by 9.8 million acres, the biggest change in 15 years.
• Possible civil war in cocoa-producing Ivory Coast increased prices to the highest levels in 32 years despite increased production last year.
• Weather problems in major wheat-producing countries such as Canada and Russia caused world wheat production to drop 5.5 percent.

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