Locally Manufactured Bubbles Is a Popular Brand of Detergent in Germany

Locally manufactured Bubbles is a popular brand of detergent in Germany. However, with the entry of a foreign multinational into the market, Bubbles begins to lose market share. According to Christopher Bartlett and Sumantra Ghoshal, how can the producer of Bubbles best differentiate itself from foreign multinationals?

A) licensing their core technologies
B) entering into turnkey projects
C) standardizing their product offerings
D) focusing on market niches
E) raising trade barriers