This might depend on context but "economic reality" is heard quite often. "Commercial Reality" and "Business Reality" are possible but sound strange. Have a look at the title of this news story. This usage is very common. http://www.csmonitor.com/Commentary/Editorial-Board-Blog/2011/0328/Global-economic-reality-check-beyond-doom-and-gloom-a-quiet-boom

They're all correct. It depends what you are trying to say.