____________states that at constant commodity prices, an increase in the quantity of one factor increases the production of the commodity intensive in this factor and reduces the output of the other commodity which is intensive in the constant factor.

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.