Why does the downward-sloping production possibilities curve imply that factors of production are scarce?

Jodie lives in a developing nation where the local markets are underdeveloped in terms of domestic exposure. her country wants to boost these domestic industries in the face of heavy competition from foreign players in the market. which trade practice should jodie’s country adopt to shield its domestic industries from foreign players? jodie’s country should adopt to shield its domestic industries from foreign players. typing answer