Identify different categories of information affecting the firm's macro-environment

a.	Existing competitors
b.	New Competition
c.	Suppliers
d.	Substitutes
e.	Buyers

-	Have the ability to decrease the firm's revenue.
-	Recently began operating in the industry or will begin operating in the industry soon.
-	Threatens the focus firm by reducing economic profits.
-	Meet approximately the same customer needs but in different ways.