Thats funny. Stein happens to have a degree in economics and is the son of a famous economist so he grew up on the subject. Whats your credentials?
Not that it’s any of your business, but I also have a degree in Economics and was a year ahead of him in Law School. Does that make me more of an expert? Hardly, but at least I am a conservative which is a great deal more than can be said for Stein.
You ask your rhetorical question as a high minded intellectual.
Yet, you have no command of the English language.
“Whats your credentials”
Credentials is a plural noun.
Your sentence should have been written as follows.
What are your credentials.
Economics 101 lecture is planned for your next post.