Research has found that companies that Blank$\_\_\_\_\_\_.$

Multiple choice question.

stick to using one form of competitive advantage $($e$.$g$.,$ cost leadership or differentiation$)$ outperform those that use multiple forms

use multiple forms of competitive advantage $($e$.$g$.,$ cost leadership and differentiation$)$ outperform those that do not

firms should have a different strategy for each of its target markets

use one form or multiple forms of competitive advantage have no bearing on results