What is the variance of the returns on a portfolio that is invested 40 percent in Stock S and 60 percent in Stock T? State of

Economy

Probability of

State of Economy

Rate of Return

if State Occurs

Stock S

Stock T

Boom

.06

.22

.18

Normal

.92

.15

.14

Bust

.02

−

.26

−

.09

The law of demand is the assertion that ?

Consider a small island country whose only industry is weaving. the following table shows information about the small economy in two different years. complete the table by calculating physical capital per worker as well as labor productivity. hint: recall that productivity is defined as the amount of goods and services a worker can produce per hour. in this problem, measure productivity as the quantity of goods per hour of labor. year physical capital labor force physical capital per worker labor hours output labor productivity (looms) (workers) (looms) (hours) (garments) (garments per hour of labor) 2024 160 40 1,800 14,400 2025 180 60 3,900 23,400

Which of the following is a problem for the production of public goods?