Why are some countries richer than the others? Which is the main reason—is it the abundance of natural resources; or the supply of the highly educated labor force (human capital); or political and social l harmony (.i.e., lack ethnic conflict); or just the continuous stream of new technology?

Why are some countries richer than the others? Which is the main reason—is it the abundance of natural resources; or the supply of the highly educated labor force (human capital); or political and social l harmony (.i.e., lack ethnic conflict); or just the continuous stream of new technology?

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