Management questions

Use Porters model

1) What is the purpose for a Strategic Manager to use the Porter's model?

2)How can the forces in Porter's model affect the industry profitability? In commodity industries where rivalry is fierce, is it the reason why profitability is limited ?

3) What is the link between switching costs and the threat of substitutes ?

4) Is price competition the best strategy to make rivalry intense and keep competitors away from your business ?

5) What makes the industry attractive ? Are innovations and technologies the best way to make the industry attractive ?

6) How can shifts occur in the industry structure?

7) What are the common mistakes made when analyzing the 5 forces ?

Consider the following linear programming problem:

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max 50x+ 20y+ 25z

st. .9x+ + 3y5z500

5x+ 4y 350

3x+2z 500z 20

, ,x y z 0

(a)(1 mark)Write the standard form of the problem.

(b)(1 mark)Find a basic feasible solution.

(c)(1 mark)Is the problem (standard form) in Tableau form? Why?

(d)(2 marks)Write the initial simplex table.

(e)(8 marks)Perform two iterations of the simplex method (please, the initial simplex tableau is not considered an iteration) toward solving the problem.

(f)(2 marks)Is the current solution (your last simplex tableau) optimal? Please, explain.