Singer Taylor Swift earned $185 Million in 2019 making her the highest earning musician of the year. That's almost 4,000 times what average worker earns!! Use the concept of economic rent to explain why Taylor Swift can earn such a large amount of money.

What would be a main advantage of a cap and trade system of regulating emissions over a carbon tax system?

How would you describe the level of concentration in the industry for mobile phone cellular service in Canada? Explain.