The Wealth of Nations by Part 1 Chapter 11 Page 281

continues to take place, is at this day as beggarly a country as it was before the discovery of America. The money price of corn, however, has risen; the real value of the precious metals has fallen in Poland, in the same manner as in other parts of Europe. Their quantity, therefore, must have increased there as in other places, and nearly in the same proportion to the annual produce of its land and labour. This increase of the quantity of those metals, however, has not, it seems, increased that annual produce, has neither improved the manufactures and agriculture of the country, nor mended the circumstances of its inhabitants. Spain and Portugal, the countries which possess the mines, are, after Poland, perhaps, the two most beggarly countries in Europe.

The value of the precious metals, however, must be lower in Spain