Here are some hypothetical numbers used to illustrate the ideas
of trade-offs, specialization, and comparative advantage. Assume
Sri Lanka, using all her resources efficiently, can produce either
1,000 bags of rice OR 3,000 bags of tea. Let's also assume that,
using all her resources efficiently, Kenya can produce either 1,000
bags of rice OR 1,000 bags of tea. Further, assume that the
countries have similar resource endowments and that, initially,
they are not trading with each other. Therefore, each of...