Indicate whether the statement is true or false, and justify your answer.Under certain circumstances in the Rothschild–Stiglitz model, a separating equilibrium cannot exist.
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Indicate whether the statement is true or false, and justify your answer.
Under certain circumstances in the Rothschild–Stiglitz model, a separating equilibrium cannot exist.
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- Suppose that the love-for-variety parameter in the Dixit-Stiglitz model is equal 0.22. The absolute value of price elasticity of demand is then equal: Answer:Indicate whether the statement is true or false, and justify your answer.According to the Grossman model, people choose an optimal time to die (barring any unforeseen accidents).Alter the desmos.com model using the following daily market demand and supply of burritos: P = 6.37 0.025 Q and P = 1.2 + 0.016 Q 8 7 6 5 4 3 2 1 50 100 150 200 250 30 To find the number of burritos that are supplied by firms and demanded consumers, you solve demand equal to supply (6.37 0.025 Q = 1.2 + 0.016 Q) for Q or use your Desmos model. It equals burritos. To find the market-clearing price, substitute his value into demand or supply or use your Desmos model. It is dollars per burrito. Regarding the first burrito supplied, the • maximum price the first consumer is willing to pay is • minimum price firms are willing to accept is • price that is paid for it is dollars • first consumer surplus is dollars dollars dollars
- The Akerlof model can be used to model the health insurance market. In this market, which party is analogous to car buyers? Which party is analogous to car sellers?What would it mean for the health insurance market to unravel?Our earlier model focused on the most basic trade-off introduced by the policy. One aspect of the policy that is also heavily debated is the fact that not every household can afford to upgrade their car in order to avoid paying the ULEZ fees. We now want to understand how best to design the scrappage scheme, which subsidises changing cars for those who need it the most. In particular, we want to know whether the scrappage scheme can create a moral hazard problem. To guide our analysis, consider the following simple model. The government would like to introduce a subsidy to help citizens who need their car for work and cannot afford to buy a ULEZ-compliant car. It also wants to ensure that only citizens who need to drive their car regularly use the subsidy. Instead of the two groups of citizens discussed above, we focus on one particular citizen who does not drive very often, only once a year. As a result, this citizen does not emit excessive pollution even with a car that is not…Our earlier model focused on the most basic trade-off introduced by the policy. One aspect of the policy that is also heavily debated is the fact that not every household can afford to upgrade their car in order to avoid paying the ULEZ fees. We now want to understand how best to design the scrappage scheme, which subsidises changing cars for those who need it the most. In particular, we want to know whether the scrappage scheme can create a moral hazard problem. To guide our analysis, consider the following simple model. The government would like to introduce a subsidy to help citizens who need their car for work and cannot afford to buy a ULEZ-compliant car. It also wants to ensure that only citizens who need to drive their car regularly use the subsidy. Instead of the two groups of citizens discussed above, we focus on one particular citizen who does not drive very often, only once a year. As a result, this citizen does not emit excessive pollution even with a car that is not…
- Indicate whether the statement is true or false, and justify your answer.The Rothschild–Stiglitz model predicts that people who own life insurance should have fewer unobserved traits (that is, unobserved by insurance companies) that lead to a higher risk of death when compared against people with the same level of income but who do not own life insurance.Consider a two-period endowment economy with a single representative agent. That agent's utility function is: U = In(ct) + (1/2)In(Ct+1) In this endowment economy, output is 100 in period t and 150 in period t+1. What is the equilibrium interest rate (r) in this economy? Write your answer as a percentage, but omit the percent sign. So if you think r=0.1, that's 10%, but write 10. Similarly, if you think r = 1.5, that's 150%, but write 150.Question 3 Krugman Model: Suppose that the elasticity of substitution between vari- eties of a differentiated good is o = 3. The marginal cost of production is c = 2, the fixed cost of operating a business is f = 10. There are two countries, H and F, that initally do not trade. The countries differ only in the size of their economies with EH 100 > EF = 50. All the Krugman model assumptions hold regarding preferences, monopolistic competition, free entry, etc. = Starting from the closed economy, answer the following. a. Profits: Using A to denote the level of demand preceived by a typical firm in H, write the typical firm's profit function. Plug in the relevant numbers for the elasticity of substitution, the marginal cost, and the fixed cost, leaving AH as a constant. b. Profit Maximization: Take the derivative of the profit function and solve the first order condition for the optimal price. What is the optimal price charged? c. Free Entry: Now solve for the total number of entrants…
- Economics CHOOSE THE CORRECT ANSWER. Remember that in the equilibrium prediction of an ultimatum game, the Proposer will offer the smallest non-zero amount of money possible. First-year Commerce students were asked to play an Ultimatum game where a choice had to be made over the division of R100. Offers could only be made in R10 increments, and the results of the various offers made are reported in the table below. Amount offered by Proposer RO R10 R20 R30 R40 R50 Proportion rejected 100% 60% 50% 30% 10% 0% What is the equilibrium split of the R100 between the Proposer and the Responder? O A. Proposer: R50, Responder: R50 O B. Proposer: R10, Responder: R90 O C. Proposer: R90, Responder: R10 O D. Proposer: R60, Responder: R40 O E. Proposer: R40, Responder: R60In Akerlof’s market for lemons model, suppose it is possible to certify cars, verifying that they are better than a particular quality q. Thus, a market for cars “at least as good as q” is possible. What price or prices are possible in this market? [Hint: sellers offer cars only if q ≤ quality ≤ p.] What quality maximizes the expected gains from trade?Consider the two-period model in partialequilibrium, i.e. the endowment economy. Assume that there is a decrease in technology such that the endowment in the first period decreases (relative to standard level, say) but the endowment in the future remains unaffected. Explain graphically and in words the effects of this change on the optimal intertemporal allocation of consumption, assuming that without the endowment change the consumer would have been a lender in the first period. Explain the effects of this change on the intertemporal prices, Disentangle the effects of the overall change in endowment between income and substitution effects.
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