# Is perfectly inelastic demand always coupled with inelastic supply?

In the case of perfectly inelastic demand, the price is always infinite. Does it mean that the supply curve is also inelastic?

• "In the case of perfectly inelastic demand, the price is always infinite." This is not true. Jul 30 '16 at 10:16
• @denesp You are right, I realized it. Thanks. Jul 30 '16 at 17:18