Comparative dynamics is the study of how economic systems change over time. It is concerned with understanding the factors that drive economic growth and development, and the impact of different policies on economic outcomes.
The field of comparative dynamics emerged in the 1970s, as economists began to develop models that could be used to compare the performance of different economies. These models allowed for a better understanding of the factors that influence economic growth and helped policy-makers make more informed decisions about economic policy.
Today, comparative dynamics is an important tool for economists and policy-makers around the world. It helps us to understand how economies work, and how they might change in the future in response to different policies or shocks.