Conservative Economists

How many Conservative economists does it take to change a light bulb?

A: None. The invisible hand does it. 
B: None. "There is no need to change the light bulb. All the conditions for illumination are in place. Recent surveys show growing confidence in the light bulb lighting up again." 
C: None, because, look! It's getting brighter! It's definitely getting brighter!

Conservative economists Joke Meme.
Conservative economists Meme.