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Define Manager
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the person who directs resources to reach a certain goal
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What are 3 actions of a manager?
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1. Directs the efforts of others.
2. Purchases inputs used in the production of the firm's output.
3. Directs other decisions, such as, the product price and quality.
2. Purchases inputs used in the production of the firm's output.
3. Directs other decisions, such as, the product price and quality.
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Define Economics
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making decisions in the presence of scarce resources
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Define Managerial Economics
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The study of how to direct scarce resources in the way that most efficiently achieves a managerial goal
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What are the 7 principles of effective management?
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1.Identify goals and constraints
2.Recognize the nature and importance of profits
3.Understand incentives
4.Understand markets
5.Recognize the time value of money
6.Use marginal analysis
7.Make data driven decisions
2.Recognize the nature and importance of profits
3.Understand incentives
4.Understand markets
5.Recognize the time value of money
6.Use marginal analysis
7.Make data driven decisions
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What is a firms overall goal?
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to maximize profits
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When might constraints be a good thing?
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they can lead to a creative solution
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Define accounting profit
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total amount of money taken in from sales (total revenue) minus the dollar cost of producing goods or services.
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Define economic profit
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the difference between total revenue and total opportunity cost.
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Define opportunity cost
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The explicit cost of a resource plus the implicit cost of giving up its best alternative.
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What are the 5 forces of profitability
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1. entry
2. Buyers
3. Input suppliers
4. rivalry in industry
5. substitutes and complements
2. Buyers
3. Input suppliers
4. rivalry in industry
5. substitutes and complements
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how can a manager use the present value of money
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they can use present value analysis to properly account for the timing of receipts and expenditures
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What is the present value for a single future value
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The amount that would have to be invested today at the prevailing interest rate to generate the given future value
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when searching for present value, what happens if 'I' = 1
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PV must = FV
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what is the Net present value
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The present value of the income stream generated by a project minus the current cost of the project
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what if the NPV is great than 0
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accept the project!
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what if the NPV is less than 0
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do not do the project
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what is the cash flow divided by the interest
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present value of perpetuity
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define profit maximization
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maximizing the value of the firm, which is the present value of current and future profits.
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define marginal benefit
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The change in total benefits arising from a change in the managerial control variable, Q
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define marginal cost
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The change in the total costs arising from a change in the managerial control variable, Q
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what is the marginal benefit less marginal cost
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marginal net benefit
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what is the slope of the total benefit curve
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marginal benefit
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what is the slope of the total cost curve
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marginal cost
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What does the market demand curve illustrate?
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A relationship between the total quantity and price per unit of a good all consumers are willing and able to purchase, holding other variables constant
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Define law of demand
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quantity of a good demanded by buyers increases as its price decreases
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what is the only thing that can change the quantity demanded?
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Price... it moves along the curve
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What good is demanded more when there is an increase in income?
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normal good
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What good is demanded less when there is an increase in income?
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inferior good
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what is the demand function?
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When good X is describing how many units will be purchased at different prices for X, the price of a related good Y, income and other factors that affect the demand for good X.
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define consumer surplus
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extra value a consumer derives from a good but do not pay extra for
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As the price of a good rises (falls), the quantity supplied of the good rises (falls), holding other factors affecting supply constant
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law of supply
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on a supply curve, what does an excise tax do to price and quantity
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moves the price up, shifts the quantity down
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on a supply curve, what does an ad valorem tax do?
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it rotates the curve/ it will hinge
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define the supply fucntion
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good X is a mathematical representation describing how many units will be produced at alternative prices for X, alternative input prices W, and alternative values of other variables that affect the supply for good X.
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the amount producers receive in excess of the amount necessary to induce them to produce the good.
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producer surplus
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what is own price elasticity of demand?
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It Measures the responsiveness of a percentage change in the quantity demanded of good X to a percentage change in its price
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Is demand elastic or not when price increase (decrease) leads to a decrease (increase) in total revenue?
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demand is elastic
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when is a good inelastic
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A price increase (decrease) leads to an increase (decrease) in total revenue.
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what happens to inelasticity when Customers do not respond at all to changes in price
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considered to be perfectly Inelastic
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what does it mean to be perfectly elastic?
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Customers will buy none of that good if the price is raised at all
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what measures the responsiveness of a percent change in demand for good X due to a percent change in the price of good Y?
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cross price elastcity
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What is the indifference curve?
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A curve that defines the combinations of two goods that give a consumer the same level of satisfaction
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define the marginal rate of substitution
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rate at which a consumer is willing to substitute one good for another and maintain the same satisfaction level
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Consumer is capable of expressing preferences (or indifference) between all possible bundles. I do not know is not an option.
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completness property
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Bundles that have at least as much of every good and more of some good are preferred to other bundles
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more Is better property
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define budget set
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defines the combinations of goods X and Y that are affordable for the consumer
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defines all combinations of goods X and Y that exactly exhaust the consumer's income
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budget line
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the slope of the indifference curve
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marginal rate of substitution
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the slope of a line
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market rate of substitution
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define consumer equilibrium
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a consumption bundle that is affordable and yields the greatest satisfaction to the consumer
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if Income increases (decreases) then what happens to a consumers budget set?
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reduces (expand) a consumer's budget set
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movement along a given indifference curve that results from a change in the relative prices of goods, holding real income constant.
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substitution effect
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The movement from one indifference curve to another that results from the change in real income caused by a price change
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income effect
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Which of the following is true?
A. Indifference curves may intersect.B. At a point of consumer equilibrium, the MRS equals 1.C. If income increases, a consumer will always consume more of a good.D. None of the statements associated with this question are correct.
A. Indifference curves may intersect.B. At a point of consumer equilibrium, the MRS equals 1.C. If income increases, a consumer will always consume more of a good.D. None of the statements associated with this question are correct.
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D. None of the statements associated with this question are correct.
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The absolute value of the slope of the indifference curve at the equilibrium bundle is called the: A. marginal revenue.B. average rate of substitution.C. marginal rate of substitution.D. marginal cost.
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C. marginal rate of substitution
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If a consumer's income decreases, what will happen to the budget line? A. It will shift outward.B. It will become steeper.C. It will become flatter.D. It will shift inward.
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D. It will shift inward.
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define the production function
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Mathematical function that defines the maximum amount of output that can be produced with a given set of inputs
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what happens in the short run?
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factors of production (inputs) are fixed and constrain a manager's decisions.
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what happens in the long run?
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all factors of production (inputs) are variable and can be adjusted by a manager
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define total product
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Maximum level of output that can be produced with a given amount of inputs.
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A measure of the output produced per unit of input. can look at labor and or capital
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average product
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define a marginal product
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A change in total product (output) attributable to the last unit of an input.
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The value of the output produced by the last unit of an input.
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value marginal product
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define the law of diminishing returns
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The value of an additional unit of output will at some point be lower than the marginal product of the previous unit.
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describe the assumptions of a linear production function
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assumes a perfect linear relationship between all inputs and total output
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describe the assumptions Leontief production function
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Assumes that inputs are used in fixed proportions
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the production function that assumes some degree of substitutability among inputs
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the Cobb Douglas production function
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what do isoquants capture?
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capture the tradeoff between combinations of inputs that yield the same output in the long run, when all inputs are variable
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what is it called at the rate at which a producer can substitute between two inputs and maintain the same level of output
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Marginal rate of technical substitution (MRTS)
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what is the slope of an isoquant?
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marginal rate of technical substitution
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what does cost minimization look to do?
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produce at cheapest possible cost
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what rule looks to produce at a given level of output where the marginal product per dollar spent is equal for all inputs
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cost minimizing input rule
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do fixed costs exist in the long run?
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no, but they do in the short run
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What is a cost that does not change with output.
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fixed cost
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what is a sunk cost?
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a cost that is forever lost after it has been paid.
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are fixed costs or sunk costs ignored when maximizing profit/minimizing losses?
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sunk costs are ignored
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A curve that defines the minimum average cost of producing alternative levels of output allowing for optimal selection of both fixed and variable factors of production
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long run average cost curve
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The Leontief production function implies: A. Straight line isoquants. B. Convex shaped isoquants. C. A positive MRTS. D. L-shaped isoquants.
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D. L-shaped isoquants.
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Isoquants are normally drawn with a convex shape because: A. Inputs are perfectly substitutable. B. Inputs are perfectly complementary. C. Inputs are not perfectly substitutable. D. Inputs are not perfectly complementary.
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C. Inputs are not perfectly substitutable
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what is the most important role for a manager?
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producing at minimum cost
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What is known as an informal relationship between a buyer and seller in which neither party is obligated to adhere to specific terms for exchange?
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spot exchange
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define contract
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a formal relationship between a buyer and seller that obligates the buyer and seller to exchange at terms specified in a legal document.
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what is it called when a situation arrises wherein a firm produces the inputs required to make its final product.
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vertical integration
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what is the basic action of vertical integration?
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producing inputs internally
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what is a major draw back of spot exchange?
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can lead to a hold up problem
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define transaction cost
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the cost associated with acquiring an input that is in excess of the amount paid to the input supplier.
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the expenditure that must be made to allow two parties to exchange but has little or no value in any alternative use.
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specialized investment
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define site specificity
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sites must be close together to form a specialized investment
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what is the word for capital equipment needed to produce an input is designed to meet the needs of a particular buyer and cannot be readily adapted
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physical asset specificity
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dedicated assets is similar to what?
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very similar to physical-asset specificity but more general investments
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workers who learn specific, non- transferable skills for a firm
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human capital
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When specialized investments are required to facilitate exchange, transaction costs increase due to what 3 things?
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costly bargaining
under investment
opportunism/the hold up problem
under investment
opportunism/the hold up problem
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what cost minimizing method is most likely when there is no relationship specificity?
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Spot exchange
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What cost minimizing method is most likely with high relationship specificity
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Contract
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What cost minimizing method is most likely with high relationship specificity, low trust, high complexity
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vertical integration
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what is the principal agent problem ?
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if the owner is not present to monitor the manager, how can she/he get the manager to do what is in her best interest?
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what are the 2 manager economic tradeoffs?
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labor and leisure
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true or false: The optimal method for acquiring inputs depends on the nature of the transaction costs and specialized nature of the inputs being produced.
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true
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true or false: to overcome the owner-manager and manager-worker principal-agent problems, principals must align the agents' interests with the principals' interests.
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true
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Which of the following is not a means of avoiding opportunism? A. contracts. B. spot exchange. C. vertical integration. D. long-term contracts.
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B. spot exchange
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A relationship-specific exchange occurs when A. a partnership is dissolved. B. specialized investments are important. C. a partnership is initiated. D. shareholders receive dividends.
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B. specialized investments are important.
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Transactions costs refer to A. fixed costs of capital. B. variable costs of labor. C. costs of exchange unrelated to production costs. D. economies of scale.
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C. costs of exchange unrelated to production costs
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Hold-up...
A. is a hazard associated with relationship-specific exchange. B. mitigates worker shirking. C. makes spot exchange efficient. D. solves the principal-agent problem
A. is a hazard associated with relationship-specific exchange. B. mitigates worker shirking. C. makes spot exchange efficient. D. solves the principal-agent problem
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A. is a hazard associated with relationship-specific exchange
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Long term contracts are generally preferable to A. spot markets. B. short-term contracts. C. vertical integration. D. none of the statements associated with this question are correct.
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D. none of the statements associated with this question are correct.
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Which of the following is the primary disadvantage of producing inputs within a firm? A. increases in transaction costs. B. loss of specialization. C. reductions in opportunism. D. mitigation of hold-up problems.
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B. loss of specialization.