snc microecon 102 – Flashcards

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question
If food is measured on the horizontal axis of a budget line diagram, and clothing is measured on the vertical axis, the slope of the budget line
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equal minus the maximum consuption of clothing divided by maximum consupmtion
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If the price of good X(measured on the horizontal axis of a budget line diagram) increases at the same time that the proce of good Y (measured on the vertical axis) decreases, the budget line
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will become steeper
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Roger spends all of his money on racquetballs and food. What would happen to Roger's budget line if his income increased by 10% holding prices constant?
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It would shift outward
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The term "Utility" in economics refers to the
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Satisfaction recieved by individuals from consuming goods and servicces
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The principle of diminishing marginal utility refers to the fact that total utility falls as consumption rises
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False
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Which of the following most clearly illustrates the law of diminishing marginal utility?
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the additional satisfaction from consuming a good falls as more of the good is consumed
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Which of the following is an assumption economists usually make regarding utility?
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Consumers prefer more of a good to less of a good
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The combination of two good at which total utility is maximized must lie somewhere on the consumer's budget line.
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True
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If MUx/Px is less than MUy/Py, then the consumer should consume more of X and less of Y.
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False
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The marginal utility per dollar spent on a good represents the
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satisfaction recieved for each dollar spent on the last unit consumed
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Among all the combinations of goods attainable by a consumer facing a budget constraint, the one that maximizes total utility is the one that
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equates the marginal utilities per dollar spent on each good
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If bread costs $1 per pound and meat costs $4 per pound, a consumer whose marginal utility of meat equals 80 utils per pound is maximizing utlility only if the marginal utility per pound of bread equals
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20 utils
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Steak is a normal good. If the price of steak increases,
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the income effecct on the demand for steak will reinforce the substitution effect
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If biscuits are an inferior good for Aster, Then if their price falls, she
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will buy more biscuits if the substitution effect is larger that the income effect
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For a normal good the,
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income effect and the substitution effect work in the same direction
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If the physical plant for a corporation is considered to be fixed input, then
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It can be change in the long run
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Consider a firm that needs one day to hire more labor and three months to change the amount of its capital. This firm's long run is
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three months
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The law of diminishing marginal returns suggests that as more of a variable input is combined with a fixed input, total output will increase; however, the increases in the firm's output will become even smaller
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True
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If a firm is experiencing diminishing marginal returns to labor, then
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total output rises more slowly as additional workers are added
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A sunk cost is one that
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Was paid in the past and will not change regardless of the present decision
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If the marginal product of labor is positive and increasing, then the total product of labor is
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upward sloping and becoming steeper
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Which of the following, necessarily, equals zero when the firm's short-run output level is zero?
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Variable costs
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Marginal Cost is:
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the increase in total cost from producing one more unit of output
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The vertical distance between a firm's total cost curve and its total variable cost curve
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represents fixed costs
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If a firm increases its output level in the short run, then
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variable costs rise, but fixed costs remain unchanged
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When the marginal product of labor rises, the marginal cost output
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Falls
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The minimum points of the average variable cost and average total cost curves occur where
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the marginal cost curve intersects those curves
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Along a firm's long-run total cost curve, the firm is producing
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each level of output using the input mix that has the lowest cost
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Accounting Profit is defined as
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Total Explicit Costs
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The demand curve facing a firm
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indicates the amount of output that consumers will purchase from a firm, at various prices
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A firms total Revenue
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is found by multiplying price per unit by the number of units produced and sold
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Under the total revenue and total cost approach to profit maximization,
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firms choose the level of output at which total revenue is the greatest distance above total cost when the firm earns an economic profit
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If a firm's managers inappropriately decide to operate where total revenue is maximized, they will continue to increase ouput
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as long as the marginal revenue curve is above the horizontal axis
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If a firm chooses to produce output at the point where MR equals MC,
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Then TR-TC will be maximized if there is a profit
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Many gift shops along the ocean shut down during the winter because
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revenues cannot cover variable costs
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If a firm shuts down in the short run, then
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Total revenue drops to zero, but the firm must still pay its fixed costs
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When a firm incurs losses in the short run, the most important consideration in determining whether to continue producing is if
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revenues cover some of its fixed costs and all of its variable cost
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The distinguishing characteristics of different market structures include
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both the number of sellers and the number of buyers
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Firms in a perfectly competitive market cannot influence
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the price of the product they sell
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A perfectly competitive firm
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Cannot increase sales or total revenue by changing its price
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In a perfectly competitive market, the
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market demand curve slopes dwonward
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For a perfectly competitive firm,
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Marginal revenue is the same as the market price
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The firm maximizes its profit by producing that quantity of output for which
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marginal revenue equals marginal cost
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Carla's candy store is maximizing profits by producing 1,000 pounds of candy per day. If Carla's fixed costs unexpectedly increase and the market price remains constant, then the profit-maximizing level of output
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is still 1,000 pounds
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A perfectly competitive firm produces in a market where the prevailing price is $25. At its current output level of 10,000 units, its average total cost equals $15. the firm is earning
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a total economic profit of $100,000
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Which of the following expressions equal profit per unit or output?
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P-ATC
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In the long run, market forces each perfectly competitive firm to produce at the lowest point on
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both its short-run and long-run average total costs
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Opportunity cost shown in slope (Equation)
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-Px/Py
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marginal utility (Equation)
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change in Total Utlility/change in total quatity
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Equimarginal Principle (Equation)
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MUx/Px = MUy/Py
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What firm(s) have unlimited liability?
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Sole Proprieturship and Partnership
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Marginal Product of Labor (Equation)
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change in quantity/Change in variable
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Average fixed cost (Equation)
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AFC=TFC/Q
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Average Variable Cost (Equation)
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AVC=TVC/Q
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Marginal Revenue (Equation)
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MR=change in Total Revenue/Change in Quantity
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