Question $3$

What are the five forces Porter believes affects a business' profitablity?

Customers

Suppliers

Substitutes

New entrants

Existing rivals

Technology

Skillset

Question $4$

Fill in the blanks: "A paradigm shift occurs when the three elements of Blank $1,$ Blank $2$ systems, and

Blank $3$ change in mutually interacting ways."

$($Note: use the exact wording from the article$)$

Blank $1$ Add your answer

Blank $2$

Blank :