How did Charlemagne make difference to the economic?

Charlemagne significantly impacted the economy of his empire by promoting trade and stabilizing the currency. He reformed the monetary system, introducing a standardized silver coin known as the denarius, which facilitated trade across his vast territories. Additionally, he supported the development of infrastructure, such as roads and marketplaces, which enhanced commerce and communication. His efforts helped lay the groundwork for a more integrated European economy in the medieval period.