Concerning the U.S. balance of payments, which account is defined in essentially the same way as the net export of goods and services, which comprises part of the country’s gross domestic product?

International economics covers the effects upon economic activity from international differences in productive resources and consumer preferences and the international institutions that affect them.
International economics plays a crucial role in understanding and shaping the global economy. It helps explain the benefits and challenges of international trade, the effects of globalization on different economies, and the impact of economic policies on domestic and foreign markets.