5- the entrepreneurial mindset characterized by innovation, risk taking, and flexibility to an established firm. the objective is to enhance the ability of an established firm to react to market opportunities in a timely and effective manner much like start-up ventures do. (p. 189)

Intrapreneurship.

Explanation:

The concept discussed here is Intrapreneurship.

Intrapreneurship is relatively a newer concept in which the employees of a company are focused who have the ability to take risk and think out of the box to mitigate a problem. It is the entrepreneurial  attributes of an employee within a company.  The objective is to enhance the ability of an established firm to react to market opportunities in a timely and effective manner much like start-up ventures do.