Effective business analysis practices aim to minimize the amount of change to requirements in a stable business environment by ensuring that the requirements are well-understood, properly documented, and agreed upon by all stakeholders. While it is not possible to eliminate changes entirely due to the evolving nature of business and technology, good business analysis can significantly reduce the frequency and impact of these changes.

References: The BABOK® Guide emphasizes the importance of assessing requirements changes to maintain a stable baseline for the requirements. It also highlights the need for approval of requirements to ensure stakeholder support and buy-in123.