An authentication token is a(n): A) device the size of a credit card that contains access permission data.
B) type of smart card.
C) gadget that displays passcodes.
D) electronic marker attached to a digital authorization file.

Which of the following results in an increase in the standard of living? a. an increase in unemployment pushes down the cost of production. b. wages go up to correct for the inflation of prices. c. income increases, enabling consumers to buy more goods and services. d. rising production costs drive up the price of goods and services.

In 1948, the president of the united states earned a salary of $75,000. in 2000, the president earned a salary of $400,000. knowing that the cpi for 1948 is 24.1 and the cpi for 2000 is 172.2, convert the 1948 salary to constant 2000 dollars. when comparing constant dollar amounts, whose salary was worth more--harry truman, president in 1948, or bill clinton, president in 2000

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?