If Elmer Lach is taxed $100 on an income of $1,000 . Toe Blake is taxed $180 on an income of $2,000 . and Maurice Richard is taxed $220 on an income of $3,000 . the tax system is

Explain how one person getting a pneumonia vaccination creates an externality

What will be an ideal response?

A perfectly competitive firm

a. can increase total revenue by raising its price b. can sell more goods by lowering its price c. can sell more goods by raising its price d. cannot increase sales or total revenue by changing its price e. typically tries to offer lower prices than rival firms