ECO 550 MIDTERM EXAM PART 1 & 21
Midterm Exam Part 1
Question 1
Income tax payments are an example of ____.
Answer
implicit costs
explicit costs
normal return on investment
shareholder wealth
Question 2
The primary objective of a forprofit firm is to ___________.
Answer
maximize agency costs
minimize average cost
maximize total revenue
set output where total revenue equals total cost
maximize shareholder value
Question 3
To reduce Agency Problems, executive compensation should be designed to:
Answer
create incentives so that managers act like owners of the firm.
avoid making the executives own shares in the company.
be an increasing function of the firm's expenses.
be an increasing function of the sales revenue received by the firm.
Question 4
Possible goals of NotForProfit (NFP) enterprises include all of the following EXCEPT:
Answer
maximize total costs
maximize output, subject to a breakeven constraint
maximize the happiness of the administrators of the NFP enterprise
maximize the utility of the contributors
Question 5
Economic profit is defined as the difference between revenue and ____.
Answer
explicit cost
total economic cost
implicit cost
shareholder wealth
Question 6
The moral hazard in team production arises from
Answer
poorly designed team membership
lack of proper assignment of individual tasks
disorganization in groups
a conflict between tactically best interest and one’s duty
insufficient experience
Question 7
The primary difference(s) between the standard deviation and the coefficient of variation as measures of risk are:
Answer
the coefficient of variation is easier to compute
the standard deviation is a measure of relative risk whereas the coefficient of variation is a measure of absolute risk
the coefficient of variation is a measure of relative risk whereas the standard deviation is a measure of absolute risk
the standard deviation is rarely used in practice whereas the coefficient of variation is widely used
Question 8
The approximate probability of a value occurring that is greater than one standard deviation from the mean is approximately (assuming a normal distribution)
Answer
68.26%
2.28%
34%
15.87%
Question 9
The ____ is the ratio of ____ to the ____.
Answer
standard deviation; covariance; expected value
coefficient of variation; expected value; standard deviation
correlation coefficient; standard deviation; expected value
coefficient of variation; standard deviation; expected value
Question 10
A change in the level of an economic activity is desirable and should be undertaken as long as the marginal benefits exceed the ____.
Answer
marginal returns
total costs
marginal costs
average costs
average benefits
Question 11
Based on riskreturn tradeoffs observable in the financial marketplace, which of the following securities would you expect to offer higher expected returns than corporate bonds?
Answer
U.S. Government bonds
municipal bonds
common stock
commercial paper
Question 12
An closest example of a riskfree security is
Answer
General Motors bonds
AT&T commercial paper
U.S. Government Treasury bills
San Francisco municipal bonds
an I.O.U. that your cousin promises to pay you $100 in 3 months
Question 13
Marginal revenue (MR) is ____ when total revenue is maximized.
Answer
greater than one
equal to one
less than zero
equal to zero
equal to minus one
Question 14
A price elasticity (ED) of ?1.50 indicates that for a ____ increase in price, quantity demanded will ____ by ____.
Answer
one percent; increase; 1.50 units
one unit; increase; 1.50 units
one percent; decrease; 1.50 percent
one unit; decrease; 1.50 percent
ten percent; increase; fifteen percent
Question 15
If demand were inelastic, then we should immediately:
Answer
cut the price.
keep the price where it is.
go to the Nobel Prize Committee to show we were the first to find an upward sloping demand curve.
stop selling it since it is inelastic.
raise the price.
Question 16
Those goods having a calculated income elasticity that is negative are called:
Answer
producers' goods
durable goods
inferior goods
nondurable goods
Question 17
An income elasticity (Ey) of 2.0 indicates that for a ____ increase in income, ____ will increase by ____.
Answer
one percent; quantity supplied; two units
one unit; quantity supplied; two units
one percent; quantity demanded; two percent
one unit; quantity demanded; two units
ten percent; quantity supplied; two percent
Question 18
The factor(s) which cause(s) a movement along the demand curve include(s):
Answer
increase in level of advertising
decrease in price of complementary goods
increase in consumer disposable income
decrease in price of the good demanded
uestion 19
Which of the following would tend to make demand INELASTIC?
Answer
the amount of time analyzed is quite long
there are lots of substitutes available
the product is highly durable
the proportion of the budget spent on the item is very small
no one really wants the product at all
Question 20
The standard deviation of the error terms in an estimated regression equation is known as:
Answer
coefficient of determination
correlation coefficient
DurbinWatson statistic
standard error of the estimate
uestion 21
In which of the following econometric problems do we find DurbinWatson statistic being far away from 2.0?
Answer
the identification problem
autocorrelation
multicollinearity
heteroscedasticity
agency problems
Question 22
When using a multiplicative power function (Y = a X1b1 X2b2 X3b3) to represent an economic relationship, estimates of the parameters (a, and the b's) using linear regression analysis can be obtained by first applying a ____ transformation to convert the function to a linear relationship.
Answer
Semilogarithmic
doublelogarithmic
reciprocal
polynomial
cubic
Question 23
The method which can give some information in estimating demand of a product that hasn’t yet come to market is:
Answer
the consumer survey
market experimentation
a statistical demand analysis
plotting the data
the barometric method
Question 24
Demand functions in the multiplicative form are most common for all of the following reasons except:
Answer
elasticities are constant over a range of data
ease of estimation of elasticities
exponents of parameters are the elasticities of those variables
marginal impact of a unit change in an individual variable is constant
Question 25
The Identification Problem in the development of a demand function is a result of:
Answer
the variance of the demand elasticity
the consistency of quantity demanded at any given point
the negative slope of the demand function
the simultaneous relationship between the demand and supply functions
Take Test: Midterm Exam Part 2
Question 1
The use of quarterly data to develop the forecasting model Yt= a +bYt?1 is an example of which forecasting technique?
Answer
Barometric forecasting
Timeseries forecasting
Survey and opinion
Econometric methods based on an understanding of the underlying economic variables involved
Inputoutput analysis
Question 2
Timeseries forecasting models:
Answer
are useful whenever changes occur rapidly and wildly
are more effective in making longrun forecasts than shortrun forecasts
are based solely on historical observations of the values of the variable being forecasted
attempt to explain the underlying causal relationships which produce the observed outcome
Question 3
Consumer expenditure plans is an example of a forecasting method. Which of the general categories best described this example?
Answer
timeseries forecasting techniques
barometric techniques
survey techniques and opinion polling
econometric techniques
inputoutput analysis
Question 4
Which of the following barometric indicators would be the most helpful for forecasting future sales for an industry?
Answer
lagging economic indicators.
leading economic indicators.
coincident economic indicators.
wishful thinking
Question 5
Smoothing techniques are a form of ____ techniques which assume that there is an underlying pattern to be found in the historical values of a variable that is being forecast.
Answer
opinion polling
barometric forecasting
econometric forecasting
timeseries forecasting
Question 6
The variation in an economic timeseries which is caused by major expansions or contractions usually of greater than a year in duration is known as:
Answer
secular trend
cyclical variation
seasonal effect
unpredictable random factor
Question 7
In an open economy with few capital restrictions and substantial importexport trade, a rise in interest rates and a decline in the producer price index of inflation will
Answer
raise the value of the currency
lower the nominal interest rate
increase the volume of trading in the foreign exchange market
lower the tradeweighted exchange rate
increase consumer inflation.
Question 8
In a recession, the trade balance often improves because
Answer
service exports exceed manufactured good exports
banks sell depressed assets
fewer households can afford luxury imports
direct investment abroad declines
the capital account exceeds the current account
Question 9
An appreciation of the U.S. dollar has what impact on HarleyDavidson (HD), a U.S. manufacturer of motorcycles?
Answer
domestic sales of HD motorcycles increase and foreign sales of HD motorcycles increase
domestic sales of HD motorcycles decrease and foreign sales of HD motorcycles increase
domestic sales of HD motorcycles increase and foreign sales of HD motorcycles decrease
domestic sales of HD motorcycles decrease and foreign sales of HD motorcycles decrease
Question 10
If the British pound (?) appreciates by 10% against the dollar:
Answer
both the US importers from Britain and US exporters to Britain will be helped by the appreciating pound.
the US exporters will find it harder to sell to foreign customers in Britain.
the US importer of British goods will tend to find that their cost of goods rises, hurting its bottom line.
both US importers of British goods and exporters to Britain will be unaffected by changes in foreign exchange rates.
Question 11
European Union labor costs exceed U.S. and British labor costs primarily because
Answer
worker productivity is lower in the EU
union wages are higher in the EU
layoffs and plant closings are more restrictive in the U.S. and Britain
the amount of paid time off is higher in the EU
labormanagement relations are better in the EU
Question 12
Purchasing power parity or PPP says the ratios composed of:
Answer
interest rates explain the direction of exchange rates.
growth rates explain the direction of exchange rates.
inflation rates explain the direction of exchange rates.
services explain the direction exchange rates.
public opinion polls explain the direction of exchange rates.
Question 13
Trading partners should specialize in producing goods in accordance with comparative advantage, then trade and diversify in consumption because
Answer
outofpocket costs of production decline
free trade areas protect infant industries
economies of scale are present
manufacturers face diminishing returns
more goods are available for consumption
Question 14
Given a CobbDouglas production function estimate of Q = 1.19L.72K.18for a given industry, this industry would have:
Answer
increasing returns to scale
constant returns to scale
decreasing returns to scale
negative returns to scale
Question 15
Marginal factor cost is defined as the amount that an additional unit of the variable input adds to ____.
Answer
marginal cost
variable cost
marginal rate of technical substitution
total cost
Question 16
The marginal rate of technical substitution may be defined as all of the following except:
Answer
the rate at which one input may be substituted for another input in the production process, while total output remains constant
equal to the negative slope of the isoquant at any point on the isoquant
the rate at which all combinations of inputs have equal total costs
equal to the ratio of the marginal products of X and Y
Question 17
The primary purpose of the CobbDouglas power function is to:
Answer
allow one to make estimates of costoutput relationships
allow one to make predictions about a resulting increase in output for a given increase in the inputs
aid one in gaining accurate empirical values for economic variables
calculate a shortrun linear total cost function
Question 18
The marginal product is defined as:
Answer
The ratio of total output to the amount of the variable input used in producing the output
The incremental change in total output that can be produced by the use of one more unit of the variable input in the production process
The percentage change in output resulting from a given percentage change in the amount
The amount of fixed cost involved.
Question 19
Which of the following is never negative?
Answer
marginal product
average product
production elasticity
marginal rate of technical substitution
slope of the isocost lines
Question 20
____ are defined as costs which are incurred regardless of the alternative action chosen in a decisionmaking problem.
Answer
Opportunity costs
Marginal costs
Relevant costs
Sunk costs
Question 21
Economies of Scope refers to situations where per unit costs are:
Answer
Unaffected when two or more products are produced
Reduced when two or more products are produced
Increased when two or more products are produced
Demonstrating constant returns to scale
Demonstrating decreasing returns to scale
Question 22
For a shortrun cost function which of the following statements is (are) not true?
Answer
The average fixed cost function is monotonically decreasing.
The marginal cost function intersects the average fixed cost function where the average variable cost function is a minimum.
The marginal cost function intersects the average variable cost function where the average variable cost function is a minimum.
The marginal cost function intersects the average total cost function where the average total cost function is a minimum.
Question 23
If TC = 321 + 55Q  5Q2, then average total cost at Q = 10 is:
Answer
10.2
102
37.1
371
321
Question 24
The existence of diseconomies of scale (size) for the firm is hypothesized to result from:
Answer
transportation costs
imperfections in the labor market
imperfections in the capital markets
problems of coordination and control encountered by management
Question 25
The cost function is:
Answer
a means for expressing output as a function of cost
a schedule or mathematical relationship showing the total cost of producing various quantities of output
similar to a profit and loss statement
incapable in being developed from statistical regression analysis
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Answer:

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