Societies choose what share of their resources to devote to consumption and what share to devote to investment. Some of these decisions involve private spending; others involve government spending. For each form of private spending, indicate whether it represents consumption or investment.
Private Spending Consumption Investment
People buying washing machines
People buying automobiles
People buying houses
Laundromats buying washing machines
For each form of government spending, indicate whether it represents consumption or investment.
Government Spending Consumption Investment
Buying medical equipment
Paying salary to public elementary school teachers
Building roads
Building tunnels

Factors like the unemployment rate, the stock market, global trade, economic policy, and the economic situation of other countries have no influence on the financial status of individuals. question 1 options: true false

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?

The goal of an economist who formulates new theories is to a. provide an interesting framework of analysis, whether or not the framework turns out to be of much use in understanding how the world works. b. provoke stimulating debate in scientific journals. c. contribute to an understanding of how the world works. d. demonstrate that economists, like other scientists, can formulate testable theories.