Economics 2010 Jamb Examination

Economics 2010 Jamb Examination
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2. Career
4. Job
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Question 31

A firm enjoying economies of scale is said to be
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Economies of scale mean that as output increases, the firm's average cost per unit falls due to efficiencies like specialization, bulk buying, and better use of resources.
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Question 32

The rising portion of the long-run average cost curve of a firm is an indication that it is experiencing
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When the long-run average cost (LRAC) curve rises, the firm is facing diseconomies of scale, meaning further expansion leads to higher average costs due to inefficiencies such as coordination problems.
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Question 33

An industry's supply curve is more likely to be elastic when firms are
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When there is free entry and exit of firms, supply can adjust quickly to changes in price, making the supply curve more elastic in the long run.
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Question 34

If a consumer plans to spend 120k on four oranges but spent 80k, his consumer surplus is
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Consumer surplus = planned spending − actual spending.

Planned = 120k ÷ 4 = 30k per orange.
Actual = 80k ÷ 4 = 20k per orange.
Surplus per orange = 10k.
In naira, this translates to N0.40 per orange.
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Question 35

A set of factors that can shift the supply curve are changes in
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Supply is influenced by production conditions. Technology improvements, favorable or unfavorable weather, and changes in population (affecting resource availability) shift the supply curve.
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Question 36

If the coefficient of price elasticity of supply is greater than one, the supply is said to be
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Elasticity > 1 means a small change in price causes a more than proportionate change in quantity supplied. This is called fairly elastic supply.
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Question 37

If commodity X is a by-product of commodity Y, this implies that both commodities are
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By-products are goods produced together from the same process. This means they are jointly supplied, not substitutes or composite goods.
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Question 38

In perfect competition, price is determined by the
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Under perfect competition, no single buyer or seller controls the price. Instead, market forces of demand and supply determine the price.
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Question 39

If the demand for a good is more elastic than its supply, the tax burden is borne
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When demand is elastic, consumers can easily switch to substitutes if price rises. Thus, producers bear more of the tax burden since they cannot shift much of it onto consumers.
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Question 40

If the price of a commodity with elastic demand increases, the revenue accruing to the producer will
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For elastic demand, an increase in price reduces total revenue because the percentage fall in quantity demanded outweighs the percentage rise in price.
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Economics 2010 Jamb Examination
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