He will definitely be chasing the market down with advice to reduce his price in 15k increments. It fits the definition, and you are contributing.

What are you basing your 15k reduction figure on? What do the professionals recommend? Maybe you are in the profession, and if so, how does your data look?

What happened to the first realtor? Did he/she advise your friend that his price needs to be reduced drastically to sell quickly in a falling market?