If you have estimated that stock XYZ’s beta is 1.5, what is the beta for the portfolio that invests $50 in the risk-free asset, $150 in the stock XYZ, and short-sells $100 in the Vanguard S&P 500 Index Fund?

Suppose that electricity producers create a negative externality equal to $5 per unit. further suppose that the government imposes a $5 per-unit tax on the producers. what is the relationship between the after-tax equilibrium quantity and the socially optimal quantity of electricity to be produced?

Tara and her parents want to save at least $40,000 for college in 8 years. which statement describes the most effective savings plan for tara and her parents to meet their goal? tara and her parents should make deposits of $300 every month into a college savings account. tara and her parents should make deposits of $450 every month into a college savings account. tara and her parents should make deposits of $3,000 every year into a college savings account. tara and her parents should make deposits of $4,000 every year into a college savings account

What are the weak points of economic costs that are part of a free enterprise economy?