Explain the difference between a change in demand and a change in quantity demanded. What leads to each of these changes?
What will be an ideal response?
A change in demand occurs when consumers will buy more or less of a product at every price; a change in the quantity demanded occurs when the price changes and consumers buy more or less. A change in demand is reflected by a shift of the entire demand curve, while a change in the quantity demanded is reflected by a movement along one demand curve.
Only a change in the price of the good brings about a change in the quantity demanded. A change in demand is brought about by a change in any of the other influences on demand, namely, the prices of related goods, income, expectations, the number of buyers, and preferences.
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If a good has the characteristic of nonrivalness, it means that
a. the good is publicly provided b. it is impossible to prevent others from sharing the benefits of consumption c. the benefits linked to consumption are indivisible d. none of the above
When interest rates rise in the United States (with the price level fixed), the value of the dollar ________, domestic goods become ________ expensive, and net exports ________
A) falls; less; fall B) falls; more; rise C) rises; more; fall D) rises; less; fall
Suppose the market demand for milk is Qd = 150 - 5P. Additionally, suppose that a dairy's variable costs are VC = 2Q2 (where Q is the number of gallons of milk produced each day), its marginal cost is MC = 4Q and there is an avoidable fixed cost of $50 per day. In the long run there is free entry into the market. Suppose the demand for milk doubles. How many new firms enter the market in the long run due to the increased demand?
A. 10 B. 20 C. 100 D. 2
International trade equalizes the opportunity cost of producing any good around the world
a. True b. False