Answer:
Sustained competitive advantage
Step-by-step explanation:
In order to remain competitive, a firm should from time to time monitor and measure changes in the external environment such as political ,economic, socio-cultural,legal and other external environmental factors . In response to these external trends, a robust internal capabilities should be developed either to reduce their threats or take advantage of the opportunities as the case may be.
It is very important for the firm to have a system in place that can be used to track changes in external business environment and also measure their possible impact on the firm.