In which market form, are average and marginal revenue of a firm always equal? Or In which market form, demand curve of a firm is perfectly elastic? Or Under which market form, firm is a price taker?

In which market form, are average and marginal revenue of a firm alway

1.	In which market form, are average and marginal revenue of a firm always equal? Or In which market form, demand curve of a firm is perfectly elastic? Or Under which market form, firm is a price taker?
Answer» SOLUTION :PERFECT COMPETITION