What is tax efficiency?

Why might a tax system prioritize equity over efficiency?

Why might a flat tax system be considered unfair to lower-income individuals?

If a person earns \$100,000 and the tax rate for income above \$80,000 is 35%, what is the marginal tax rate for an additional \$5,000 earned?

What is the relationship between taxes and deadweight loss?

Consider a tax system where income up to \$40,000 is taxed at 15%, and income above \$40,000 is taxed at 25%. How would this system affect someone earning \$70,000 compared to someone earning \$30,000?

If a person earns \$90,000 and pays \$27,000 in taxes, what is their average tax rate?

What is the administrative burden in a tax system?

How does deadweight loss occur in a tax system?

Why is tax efficiency important in designing a tax system?