There are several stories populating the annals of business history of enterprises that once dominated their industries but then later jumped to their decline. The reasons are often about staying too close to the existing customers, which is a myopic viewpoint on short-term financial performance and possess an inability to adopt themselves to business models for disruptive innovation. But this does not still explain with proper clarity that why the business leaders that once were able to steer these firms to success pinnacle were able to completely lose their touch.
There is a saying that goes with this scenario – after a certain acquired age we learn more from our failures than from our successes!
Your outline for a research paper is the best place to start this practice.