Structural changes refer to alterations in the composition, organization, or configuration of a system or entity. In the context of research, structural changes can involve shifts in relationships, patterns, or processes within a specific field of study or discipline. These changes may be driven by technological advancements, social or political shifts, economic factors, or other external influences. Researchers may study structural changes to better understand their implications, consequences, and potential outcomes within a given system. This research area can be applied to a wide range of disciplines, including economics, sociology, political science, and environmental science, among others.