What competitive advantages underlie the success of IMAX. Are these sustainable?

Using the attached case study answer the following: 

1. What competitive advantages underlie the success of IMAX. Are these sustainable?
2. What motivates IMAX to expand internationally into emerging economies, such as the BRIC countries?
3. How would you evaluate IMAX international expansion to date?
4. If 400 of the remining 1,550 screens are to be allocated to the BRIC economies, how would you distribute these by country? Within each country, how would you distribute them amongst cities?
5. Identify key business risks in international expansion to the BRIC economies. How should IMAX address these business risks?

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