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##### ECO-46 Ques-1.Mr. Smart still has money in pocket to spend. If only two products are available to him

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Question;46 MCQ's refer attachment for questions. Mr. Smart still has money in pocket to spend. If only two products are available to him,apple (A) and beef (B), the current marginal utility (MU) and unit price (P) are as thefollowing: MUA=3, MUB=10, PA=$1, PB=$4. In order to maximize his total utility, Mr. Smartshouldpurchase more beef because its marginal utility is greater than apple?s.purchase more apples because the marginal utility per dollar is greater thanbeef?s.purchase more beef because he likes it.purchase more apples because the price is very low.2. ?I like ice cream, but after eating homemade ice cream last night, I want to havesomething else for desert today.? This statement most clearly reflectsthe law of demand.the law of diminishing returns.the law of diminishing marginal utility.the law of increasing costs.3. Consider the following linear demand function where QD = quantity demanded, P =selling price, M= disposable income, PR= price of related good:QD = 60 ? 4PAssume that the current market price is P=10. In order to increase the total revenue, thesales manager should _______ the price.raisemaintaincutfreeze4. A market demand curveis the horizontal summation of the demand curves of all consumers in the market.is the sum of the prices consumers are willing to pay at each quantity.is more unpredictable compared with a consumer?s individual demand.Both a and cEconomic profit is defined as the difference between total revenue and ________________.explicit costtotal economic costimplicit costshareholder wealthWhich of the following is the correct procedure order to obtain a better linear regression functionfor estimation after Excel operation?Check r2 (Good fit or not)? F test? t testF test? t test? Check r2(Good fit or not)Check r2 (Good fit or not)? t test? F testt test? F test? Check r2(Good fit or not)Consider the following linear demand function where QD =quantity demanded, P = selling price.QD = 60 ? 4PThe price elasticity of demand associated with P=10?4.00?2.00?1.33?0.67If the current price elasticity of demand for product X is?1.2, a10% price cut will result in12% decrease of quantity demanded.0.8% increase of total revenue.12% increase of total revenue.0.8% increase of quantity demanded.Assume a country?s personal annual income is estimated by the following regression equation:Y= 33,000 + 1,200X? 4,000DG, where X = Working Experience (Years), DG=1, if male, DG=0,if female. Which of the following statement is incorrect?DG is a dummy variable forgender.A female with 10 yearsworking experience issupposed to earn $45,000per year.A male with 10 yearsworking experience issupposed to earn $41,000per year.The regression equationindicates that maledominates in personalannual income.Which of the following are likely to increase the value of the firm,based on the shareholders wealth-maximization model?The interest rate increases substantially.A previously nonunion workforce votes to unionize.The government implements strict pollution controlrequirements.A technological breakthrough allows the firm to reduce itscost of production.Assume that a product has the market demand function QD = 10? Pand the market supply function QS = 2 + P. If a price ceiling (i.e.maximum price) is set at $5, then you will predict which of thefollowing would as a result?Nothing will happen.There will be a surplus.There will be a shortage.Quantity demanded will be zero.Which of the following is NOT the factor affecting how elastic ademand is?Time of adjustmentAvailability of close substitutesShare in budgetPrice of the goodA price elasticity (ED) of ?0.50 indicates that for a ____________increase in price, quantity demanded will ____________ by______________.one percent, increase, 0.50 unitsone unit, increase, 0.50 unitsone percent, decrease, 0.50 percentone unit, decrease, 0.50 percentWhich of the following would increase the supply of corn?An increase in the price of pesticides.A decrease in the demand for corn.A fall in the price of corn.A decrease in the price of wheat.Which of the following is an example of an implicit cost for a firm?The value of time worked by the owner.Any wages and salaries paid to employed.Rent on property not owned by firm.Both b and c.In general, which of the following methods is the most costly and risky in estimating marketdemand?Consumer surveysMarket experimentsStatistical demand analysisConsumer focus groupYour demand on the 10th edition textbook in this course is quite price-inelastic becauseit has no close substitute.it is expensive.it is not important.it takes a whole semester to consume.A simple linear regression function, Y = 20? 0.05X, where Y denotes the sales of gas (x 1,000gallons) and X denotes the gas price ($ per gallon). We can estimate that one-dollar increases ingas price will decrease the sales by5,000 gallons50 gallons0.05 gallons15,000 gallonsThe next 2 questions (19~20) refer to the following:Assume that an individual consumes two goods X and Y. The total utility (assumed measurable)of each good is independent of the rate of consumption of other goods. The prices of X and Yare, respectively, $2 and $4.Units of the GoodTotal Utility of XTotal Utility of Y1203223860354844681045801206901327981408104144If the consumer buys the fourth unit of X,the marginal utility of the fourth unit is 68 units of satisfaction.the marginal utility per dollar spent on X is 39.the marginal utility per dollar spent on X is 7.the total utility from X is 180.Assume that an individual consumes two goods X and Y. The total utility (assumed measurable)of each good is independent of the rate of consumption of other goods. The prices of X and Yare, respectively, $2 and $4.Units of the GoodTotal Utility of XTotal Utility of Y1203223860354844681045801206901327981408104144If the consumer has $22 to spend on Xand Y, the utility-maximizing bundle is3X and 4Y.5X and 3Y.7X and 2Y.1X and 5Y.When we construct a regression function of demand on a product, which of the following shouldnot be considered as an appropriate independent variable?Unit productioncostConsumers?incomePrice ofsubstitutesPrice of theproductHonda Accord and Toyota Camryare substitutes. If Toyota Camry?s price rises, then Honda Accord?s marketequilibrium price will be likely to ____ and market equilibrium quantity will belikely to ____.increase, increaseincrease, decreasedecrease, decreasedecrease, increaseSuppose a company incurs the following costs:Labor$9,000Equipment (Capital) $6,000Materials$7,000The company owns the building, so it doesn?t have to pay the usual $2,000 in rent. Thetotal economic cost is ______, the total accounting cost is _______.$17,000, $15,000$24,000, $17,000$24,000, $22,000$17,000, $22,000When the accounting profit equals the implicit costs, the firm earnsa normal profit.a positive economic profit.a zero accounting profit.a negative accounting profit.The next 4 questions (25~28) refer to the following:The estimated regression function of demand for a good isQ = 20? 0.5P + 0.02M? 0.1PRwhere Q is the quantity demanded of the good, P is the price of the good, M is income, PR is theprice of related good.The coefficient of P implies thatthe function violates the law of demand.the price elasticity of demand is? 0.5.if the good?s price increases by 1 then quantity demanded will decrease by 0.5.the good is an inferior good.The estimated regression function of demand for a good isQ = 20? 0.5P + 0.02M? 0.1PRwhere Q is the quantity demanded of the good, P is the price of the good, M is income, PR is theprice of related good.The coefficient of M implies thatthe income elasticity is 0.02.the good is a normal good.income is not an important determinant for demand.if income declines by 1 then quantity demanded will increase by 0.02.The estimated regression function of demand for a good isQ = 20? 0.5P + 0.02M? 0.1PRwhere Q is the quantity demanded of the good, P is the price of the good, M is income, PR is theprice of related good.The coefficient of PRimplies thatthe good is an inferior good.the good and the related good are substitutes.the good and the related good are complements.the demand on the related good is inelastic.The estimated regression function of demand for a good isQ = 20? 0.5P + 0.02M? 0.1PRwhere Q is the quantity demanded of the good, P is the price of the good, M is income, PR is theprice of related good.The price elasticity of demand, given P=10, M=100, PR =20, should be?1.33.?0.66.?0.50.?0.33.For a firm?s decision-making, the principal-agent problem arises whenthe principal and the agenthave different objectives.the agent cannot enforce theprincipal to manage well.there are too many principalsbut only few agents.the agent considers tomaximize the firm?s wealth.Which of the following is most unlikely to be an appropriateindependent variable to construct the market demand on DVDmovie rental?Movie theater box office ticket price.Number of movie theaters.Household income level.Population of movie goersMoving along a downward sloping linear demand curve from top to bottom, the point elasticityof demandis constant everywhere.becomes more inelastic.becomes more elastic.changes randomly.A simple linear regression model has the coefficient of determination, r2 =0.81. We can concludethatthe model is not a good fit.only 19% variation of the dependent variable are determined by other factors not consideredin the model.about 81% of the independent variables can determine the dependent variable.the independent variable and the dependent variable are not related.The ABC Company developed the following quarterly sales forecasting model:Yt = 5.8 + 0.03twhere Yt = predicted sales ($million) in quarter t, t = 1 (First quarter of 2005), 2 (Second quarterof 2005), 3 (Third quarter of 2005), and so on. Given the model, the sales for the fourth quarterof 2012 are forecasted as.$6.76 million.$7.00 million.$14.20 million.$15.40 millionWhich of the following will never be negative in economic theory?Cross-price elasticityMarginal utilityIncome elasticity of demandMarginal costWhen the price of Washington apples increases, which of the following change is most unlikely,if all the other factors remain?Quantity demanded of Washington apples decreases.Demand on Fuji apples increases.Supply on apple juice increases.Quantity supplied of Washington apple increases.The next 3 questions (36~38) refer to the following:The linear regression equation, Y = a + bX, was estimated. The following computerprintout was obtained:when Xis zero, Y is 7.85.when Xis zero, Y is 3.19.when Yis zero, X is 0.36.when Yis zero, X is 6.88.The linear regression equation, Y = a + bX, was estimated. The following computer printout wasobtained:The parameter estimate of b indicatesXincreases by 0.36 units when Y increases by one unit.Xdecreases by 1 units when Y increases by 0.36 units.a 10-unit decrease in X results in a 3.6 units decrease in Y.a 10-unit increase in X results in a 78.5 units increase in Y.The linear regression equation, Y = a + bX, was estimated. The following computer printout wasobtained:DEPENDENT VARIABLE:YR?SQUAREF?RATIOP?VALUE ON F0.86626.17980.0274PARAMETERSTANDARDVARIABLEESTIMATEERRORRATIOP?VALUEINTERCEPT7.853.192.940.0008X0.366.882.460.0274OBSERVATIONS:21Assume the default level of significance is at 0.05. The regression equation is considered as______ for sample and (but) ______ applied significantly for population estimation.a good fit, can benot a good fit, can bea good fit, cannot benot a good fit, cannot beIn the cost-benefit analysis, the maximum net benefit (NB) occurs in whichthe total benefit (TB) is maximized.the marginal cost (MC) is minimized.the marginal benefit (MB) and the marginal cost (MC) are equal.the total cost (TC) is minimized.If consumers foresee the price of electric car will drop significantly in the near future, then thecurrent market _______ of electric car will _______.demand, increasedemand, decreasesupply, decreaseprice, increaseIf both demand and supply were to increase, then the market equilibriumquantity would fall and price might rise or fall.quantity would rise and price might fall or rise.price would fall and quantity might rise or fall.price would be unchanged and quantity might fall.The following figure shows two demand curves at price = P*. Which of the following is most likely toexplain the shapes of demand curve correctly?Demand on A is more elastic.If both A and B represent the same product, then A is for short-run demand and B is forlong-run demand.A has more substitutes.B has a smaller share in consumers? expenditure (budget).Diamonds are more expensive than water becausediamonds yield higher total utility.market does not really reflect water?s value.diamonds are rare.diamonds yield higher marginal utility.Assume that the following log-linear regression model represents the demand on vacation travelin the United StateslnQ = 2.05?1.64 lnP + 1.13 lnY,where (Q) is the annual household vacation travel mileage, (P) is the price per mile, (Y) is thedisposable household annual income.Which of the following statements for vacation travel is incorrect?The price elasticity of demand is?1.64.It is a necessity because the income elasticity is positive.It is a luxury good because the income elasticity is greater than 1.The demand is elastic.The next 2 questions (45~46) refer to the following:TotalLevel ofActivityTotal Benefit0NetCostMarginalBenefitMarginalCostBenefit00xxxx017560_______________2__________65_____253_______________7010The marginal benefit for the 3rd activity should be70.65.60.55.Level ofActivityTotalTotal BenefitCostMarginalBenefitMarginalCostNetBenefit000xxxx017560_______________2__________65_____253_______________7010The optimal level of activity should be0.1.2.3.

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