Question

30 Chapter 3 8. There are two buyers in a market, John and Mary. Below you sce the quantity demanded for each at various prices. What is the quantity demanded (on the market demand curve) at each price specified? Write in the various quantities demanded in the spaces provided in the table. Price by John 100: 80 50 by Mary 130.. (market demand) $10 . $12 120 $14 100
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Answer #1


Market demand at a specified price is the sum total of each individual buyer's demand at that specified price.

In the given case,

At the price of $10 per unit, John demands 100 units and Mary demands 130 units.

So,

Market demand = Quantity demanded by John + Quantity demanded by Mary

Market demand = 100 units + 130 units = 230 units

Thus, at the price of $10 per unit, market demand is 230 units.

Similarly, market demand at other prices can be calculated.

Following is the complete table -

Price Quantity demanded by John Quantity demanded by Mary

Quantity demanded

(Market Demand)

$10 100 130 230
$12 80 120 200
$14 50 100 150
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