segunda-feira, 14 de novembro de 2016

Há um ótimo tamanho para países?

Leopold Kohr. Read him
"The classic economics paper on optimal country size is by Alesina and Spolare (1997). They advance a number of theoretical claims in the paper, but in my view the most important ones are on the relationship between political and economic integration.
"Suppose that the world is full of trade barriers. Tariffs are high, and maybe also it’s just plain expensive to get goods across the ocean, so there’s not a lot of international competition. In this situa...tion, there is a huge advantage to political integration: it buys you economic integration.
In a world of trade barriers, a giant internal free trade area is one of the most valuable public goods that a government can provide. Because many industries feature economies of scale, it’s better to live in a big market. If the only way to get a big market is to live in a big country, then megastates have a huge advantage over microstates.

"On the other hand, if economic integration prevails regardless of political integration—say, tariffs are low and shipping is cheap—then political integration doesn’t buy you much. Many of the other public goods that governments provide—law and order, social insurance, etc.—don’t really benefit from large populations beyond a certain point. If you scale from a million people to 100 million people, you aren’t really better off.
"As a result, if economic integration prevails, the optimal country size is small, maybe even a city-state."
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