An economic historian studies the development and impact of economic systems throughout history. They analyze data, documents, and trends to understand how economies have evolved over time, focusing on factors like trade, industry, and labor. This field combines elements of both economics and history to provide insights into past economic practices and their effects on societies. Economic historians often explore significant events, such as the Industrial Revolution or the Great Depression, to assess their influence on modern economies. By examining these historical contexts, they help us understand current economic challenges and inform future policy decisions.