PESTLE is effective for many reasons.  It has wider coverage of business, it helps understand the business environment, it encourages strategic thinking, and it helps in reducing the effect of future business threats.  It is a measurement tool of the macro environmental forces that can face an organization, it’s simple and efficient framework can be used to understand the impact of the external factors on the organization such as economic, political, environmental, social, and technological factors. (Arline, 2014).