Selling a product at different prices when the price difference is unrelated to costs is a practice known as

The key concept in the new classical approach to the aggregate supply curve is

A) the impact of imperfect information on business decisions. B) the impact of changes in the price level on real balances. C) the inverse relationship between the real interest rate and desired investment spending. D) the crowding out of investment spending by government spending.

If advertising makes demand of a product more elastic, it makes sense for a firm to

a. Decrease the price of the product b. Increase the price of the product c. Leave the price unchanged d. None of the above