The stock of business adventures sells for $40 a share. Its likely dividend payout and end-of-year price depend on the state of the economy by the end of the year as follows: Dividend Stock Price Boom $2.80 $48 Normal Economy 1.80 43 Recession .90 34 a) calculate the expected holding-period return and standard deviation of the holding period return. all three scenarios are equally likely. (Do not round up intermediate calculations. round your answers to 2 decimal places.) Expected return standard deviation ... b) calculate the expected return and standard deviation of a portfolio invested half in business adventures and half in treasury bills. the return on bills is 5%. (do not round up intermediate calculations. round your answers to 2 decimal places.) Expected return standard deviation ...

3. saving two consumers, larry and jeff, have utility functions defined over the two periods of their lives: middle age (period zero) and retirement (period 1). they have the same income in period 0 of m dollars and they will not earn income in period 1. the interest rate they face is r. larry’s and jeff’s utility functions are as follow. = 0.5 + 0.5 and = 0.5 + 0.5 for each person is between zero and one and represents each consumer’s temporal discount econ 340: intermediate microeconomics. ben van kammen: purdue university. rate. a. write the budget constraint that applies to both jeff and larry in terms of consumption in each period and ), interest rate, and m. b. what is larry’s and what is jeff’s marginal rate of intertemporal substitution? c. what is the slope of the budget constraint? d. write each consumer’s condition for lifetime utility maximization. e. re-arrange the conditions from part (d) to solve for the ratio, . f. if > which consumer will save more of his middle age income? g. if > 1 1+ , in which period will larry consume more: = 0 or = 1?