Suppose that we have an economy with many identical households. There is a government that exogenously consumes some output and pays for it with lump sum taxes. Lifetime utility for a household is: U =InCt +ßlnCt+1 The household faces two within period budget constraints given by: Ct + St = Yt – Tt Ct+1 =Yt+1 - Tt+1 +(1+rt)St Use the Euler equation and intertemporal budget constraint to derive an expression for the consumption function. The government faces two within period budget constraints: (1) G_t + SG_t = T_t (2) G_(t+1) = T_(t+1) + (1 + r_t)SG_t In equilibrium, what must be true about S_t and SG_t?
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- Tom, who has a utility-of-wealth function U(w) = ln(w + 10), has $500 of income before tax and is taxed at a rate of 25% of earned income. If he is caught underreporting his income he will have to pay the taxes owed and in addition will pay a fine of $2 for every dollar of income he failed to report. How much income will he conceal (i.e., fail to report) if the probability of being caught is 0.1? Also find the market opportunity line and determine the minimum amount of fine such that there is no tax evasion at all.The Minister of Transport released its Festive season road accident statistics which shows that the probability of drivers committing an accident is 8% with utility , where H standsfor year income.The Minister further claims these Festive season road accidents cost the state (in terms of claims lodged) an average of R84 000 per annum. The Road Accident Fund is an insurance scheme providing compulsory indemnity cover to victims of vehicle accidents and taxi drivers. (a) Suppose that an average commuter earns R84 000 per annum. What is the expected utility of each commuter if the driver decides not to take insurance. (b) What is the cost of insurance policy to the Road Accident Fund? (c) Due to high accident rates in South Africa during the Festive season, the Road AccidentFund has issued a warning to government that the fund will be insolvent soon. Advise the Minister on the cost of insurance that can collapse the scheme. please answer a,b,cUnder the investment approach, what is the likelihood that a rational voter will choose to vote and why? a. Very likely, especially if the voter derives benefit from simply expressing their opinion. b.A bout 50-50, depending on whether their candidate is ahead in the polls or not. c. Very high because they trade their vote for being able to call in a favor from the politician later. d. Almost nil because their likelihood of influencing the election is so small.
- Question 1 Consider the proposition 5x + 9 ≥ 24.s(0) +9• Is r 20 a necessary condition or a sufficient condition or necessary andsufficient condition?• Is x ≥ 3 a necessary condition or a sufficient condition or necessary andsufficient condition?uestionConsider a random-relocation economy where each young person receives 10 units of the consumption good. There are 100 young people born each period. The total stock of money is constant and equal to $500. The consumption good can be transformed, one to one, into capital, which will give a return of x > 1 next period. Suppose a personís preferences are such that they want to consume 1/2 of their endowment when young 2 of ECON20532 and 1/2 when old. They all dislike risk. We also assume that the probability that a person is relocated is 10% (known to everybody) and the gross return on capital is 1.1. A person is notifed whether she needs to relocate or not at the end of period 1. A person who relocates can take with her money, but not capital. Individual agents cannot invest directly in capital, but there exists a (perfectly competitive) banking sector that accepts deposits from all young people. (a) What is the state contingent rate of return o§ered by banks on deposits? (b) Write…Suppose that you have a lottery with two states Yes and No. You are asked to toss a coin andthat if it comes up head, you will win 5% of your investment and if it comes up tail you willlose 3% of your investment. Assume that your initial investment is K1000 and that you havedecided to only toss a coin three times.i. Determine all the possible outcomes of the game at the end of the third toss andpresent your answer on a tree diagram. ii. What is the total wealth for each of the outcomes in (i) above? iii. Find the expected value of the outcomes.
- At a company, 20 employees are making contributions for a retirement gift. Each of the 20 employees is choosing how many dollars to contribute from the interval [0,20]. The manager of these 20 employees announces that she will contribute dd dollars for every dollar that an employee contributes. The payoff to employee ii who makes contribution of xixi dollars is bi(1+d)xi−xi, where bi>0.bi(1+d)xi−xi, where bi>0. Assume that d=4d=4, bi=0.25bi=0.25 for i=1,2,…,10i=1,2,…,10, andbi=0.5bi=0.5 for i=11,12,…,20i=11,12,…,20 What is the best contribution level of any employee ii for i=1,2,…,10i=1,2,…,10. At a company, 20 employees are making contributions for a retirement gift. Each of the 20 employees is choosing how many dollars to contribute from the interval [0,20]. The manager of these 20 employees announces that she will contribute dd dollars for every dollar that an employee contributes. The payoff to employee ii who makes contribution of xixi dollars is bi(1+d)xi−xi,…Economists may disagree because they havedifferenta. hunches about the validity of alternativetheories.b. judgments about the size of key parameters.c. political philosophies about the goals of publicpolicy.d. All of the above.Microeconomics Wilfred’s expected utility function is px1^0.5+(1−p)x2^0.5, where p is the probability that he consumes x1 and 1 - p is the probability that he consumes x2. Wilfred is offered a choice between getting a sure payment of $Z or a lottery in which he receives $2500 with probability p = 0.4 and $3700 with probability 1 - p. Wilfred will choose the sure payment if Z > CE and the lottery if Z < CE, where the value of CE is equal to ___ (please round your final answer to two decimal places if necessary)
- Millicent’s utility function is U(w) = W0.5 , where W is her wealth. She owns a “pure water” producing firm that will be worth GH100 or 0 Ghana cedis next year with equal probability. a. Suppose her firm is the only asset she has. What is the lowest price at which she will agree to sell her pure water? (Hint: price=amount that will give her the same expected utility) b. Assume that she has GH200 safely stored under her mattress, find the new lowest price at which she will agree to sell her “pure water” producing firm c. From your answers in parts (a) and (b), what is the relationship between her wealth and her degree of risk aversion?Lela must decide to go on a winter trip to norway with the hope of seeing northern light would yield a utility level of 2,000 but she has only a 50% chance that they will show during the days of her trip. making the trip without seeing the lights would yield a utility level of 100 and there is 50 % chance of this happening. what is lela's expected utilty if show goes on the trip? a. 2,100 b.1,050 c.42 d.950Suppose Grace and Lisa are to go to dinner. Lisa is visiting Grace from outof town, and they are to meet at a local restaurant. When Lisa lived in town,they had two favorite restaurants: Bel Loc Diner and the Corner Stable. Ofcourse, Lisa’s information is out of date, but Grace knows which is betterthese days. Assume that the probability that the Bel Loc Diner is better isp > 1/2 and the probability that the Corner Stable is better is 1 - p. Naturedetermines which restaurant Grace thinks is better. Grace then sends amessage to Lisa, either “Let’s go to the Bel Loc Diner,” “Let’s go to theCorner Stable,” or “I don’t know [which is better].” Lisa receives the message, and then Grace and Lisa simultaneously decide which restaurant to go to. Payoffs are such that Grace and Lisa want to go to the same restaurant, but they prefer it to be the one that Grace thinks is better. More specifically, if, in fact, the Bel Loc Diner is better, then the payoffs from theiractions are as shown in the…