<div style="text-align:left;">경제원론 관련 문제인데요.</div> <div>제 답이 맞는지 확신이 가지 않습니다...</div> <div>특히 4번과 5번의 D는 아예 못풀겠고요..</div> <div>혹시 제 풀이과정중에 잘못된 것이 있을까요?</div> <div> </div> <div> </div> <div style="text-align:left;"><img width="800" height="450" class="chimg_photo" style="border:;" alt="20141004_201557.jpg" src="http://thimg.todayhumor.co.kr/upfile/201410/1412422025mZRoD2Wm.jpg"></div> <div style="text-align:left;"><img width="800" height="450" class="chimg_photo" style="border:;" alt="20141004_201610.jpg" src="http://thimg.todayhumor.co.kr/upfile/201410/14124220263SeAHM8aGaPVFmWW7NzazCqMsrfzA.jpg"></div> <div> </div> <div> </div> <div> </div> <div> </div> <div> </div> <div> </div> <div> </div> <div> </div> <div> </div> <div><br><strong>1. Short Answer Question</strong><br>Draw two straight-line parallel demand curves. Then draw an upward-sloping line through the<br>origin to intersect both curves. Compare the elasticities at these two points.</div> <div><br><strong>2. Answer Questions</strong><br>Julio receives utility from consuming food(F) and clothing(C) as given by the utility function U(F,C)<br>= F*C. In addition, the price of food is $2 per unit, the price of clothing is $10 per unit, and Julio's<br>weekly income is $50.</div> <div><br>(a) What is Julio's marginal rate of substitution of food for clothing when utility is maximized?<br>Explain.</div> <div><br>(b) Suppose instead that Julio is consuming a bundle with more food and less clothing than his<br>utility maximizing bundle. Would his marginal rate of substitution of food for clothing be<br>greater than or less than your answer in part (a)? Explain.</div> <div><br><strong>3. Short Answer Question</strong><br>There exist two goods, X and Y, which are not giffen goods. The price consumption path<br>according to change of price of X is derived from the given utility function and the budget<br>constraint. There are two bundles of goods, (X=8, Y=8), (X=5, Y=6), which lie on the price<br>consumption path. Compare the MRS of those two bundles of goods.</div> <div><br><strong>4. Answer Questions</strong></div> <div>Ginny consumes two goods, X and Y. She has a utility function given by the following:<br>U(X,Y)=logX+23logY</div> <div><br>The current prices of X and Y are 3 and 2 respectively. Ginny currently has an income of 25 per time period.<br>(a) Calculate the optimal quantities of X and Y that Ginny should choose, given her budget constraint. Graph your answer.<br>(b) Derive Engel curve for X and Y, respectively.<br>(c) Derive demand curves for X and Y.</div> <div><br><strong>5. Answer question</strong><br>Emily's utility function is as follows:<br>U(x,y)= xy2<br>x and y represent the consumption on cake and steak, respectively. The price of cake is $20 and the price of steak is $40. And Emily's disposable income is $1000.<br>(a) Find the optimal consumption bundle.<br>(b) Derive the Engel curve for cake and steak, respectively and determine whether the cake and steak are normal goods or inferior goods.<br>(c) Derive the demand curve for cake and steak, respectively.<br>(d) Assume that the price of steak rose to $60. Numerically calculate the magnitude of the substitution effect and income effect. And graphically illustrate these two effects.</div><br><br><br>
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