DEPARTMENT OF ECONOMICS SAN JOSE STATE UNIVERSITY MASTER’S COMPREHENSIVE EXAMINATION MAY 1, 2015 6:00 P.M. TO 9:30 P.M. PROCTOR: R. RAGAN INSTRUCTIONS: 1. Answer ONLY the specified number of questions from the options provided in each section. Do not answer more than the required number of questions. Each section takes one hour. 2. Your answers must be on the paper provided. No more than one answer per page. Do not answer two questions on the same sheet of paper. 3. If you use more than one sheet of paper for a question, write “Page 1 of 2” and “Page 2 of 2.” 4. Write ONLY on one side of each sheet. Use only pen. Answers in pencil will be disqualified. 5. Write ------ END ----- at the end of each answer. 6. Write your exam identification number in the upper right-hand corner of each sheet of paper. 7. Write the question number in the upper right-hand corner of each sheet of paper. Section 3: Applied Economics—Answer Any Two Questions. 3A. (Econ 212: Haight) Many people believe one important reason developing world countries are so poor is that they have rapidly growing populations. a. Give two reasons why a growing population may be a positive factor rather than a negative factor. b. Who was Thomas Malthus? c. What did Malthus think…and why? d. What does the empirical evidence say about Malthus’ theory? 3B. (Econ 221: Holian) Consider a Cournot duopoly problem, where market demand is given by Q = 12 – P, where Q is the sum of both producers’ output (i.e. q1 + q2 = Q), P is the market price, firm 1 has total costs given by TC1 =1 + q1, and firm 2 has total costs given by TC2 = 2 + 2q2. Answer the following three questions. Under the Cournot assumptions: a. How much will each firm produce in equilibrium. b. What will be the equilibrium price. c. How much profit will each firm make? (over) -1- DEPARTMENT OF ECONOMICS SAN JOSE STATE UNIVERSITY MASTER’S COMPREHENSIVE EXAMINATION MAY 1, 2015 6:00 P.M. TO 9:30 P.M. PROCTOR: J. HUMMEL 3C. (Econ 205A: Holian) In general terms, discuss threats to the internal and external validity of econometric results. Please list up to four threats to internal validity and two threats to external validity, and offer a one-sentence description of each. Finally, name and briefly discuss one econometric technique that has been developed to ameliorate one of the threats to internal validity that you listed. 3D. (Econ 200: Foldvary) This is a question about Duty to Rescue laws: a. Explain the concept of “duty to rescue.” b. What is the duty to rescue under English common law? c. Aside from the duty of parents and guardians to rescue minors in peril, analyze the efficiency and equity of “duty to rescue” laws. d. Analyze the consequences of a default “duty to rescue” law that permits parties to opt out with disclosure and warning. (The duty to rescue of employers, common carriers, and property owners would be voided by contracts, disclosures, and warnings.) e. If there is a legal duty to rescue among adults, is law more efficient as criminal or civil law? 3E. (Econ 232: Foldvary) This is a question about Taxing Gross Revenue: Explain how a tax on gross revenue could have a deadweight loss significantly greater than the usual triangular depiction of a sales tax shifting supply up or demand down, reducing the quantity. Thus, aside from the tax wedge from a higher price paid by the buyers and lower price paid to the sellers, creating a deadweight loss due to the reduction in quantity, how could a tax on gross revenues generate a “quantum leap” of greatly reduced production and employment? -2-