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In agriculture, the labour of the rich country is not always much

more productive than that of the poor; or, at least, it is never

so much more productive, as it commonly is in manufactures. The

corn of the rich country, therefore, will not always, in the same

degree of goodness, come cheaper to market than that of the poor.

The corn of Poland, in the same degree of goodness, is as cheap

as that of France, notwithstanding the superior opulence and

improvement of the latter country. The corn of France is, in the

corn-provinces, fully as good, and in most years nearly about the

same price with the corn of England, though, in opulence and

improvement, France is perhaps inferior to England. The

corn-lands of England, however, are better cultivated than those

of France, and the corn-lands of France are said to be much

better cultivated than those of Poland.