The Wealth of Nations by Part 1 Chapter 10 Page 111

Whatever obstructs the free circulation of labour from one employment to another obstructs that of stock likewise; the quantity of stock which can be employed in any branch of business depending very much upon that of the labour which can be employed in it. Corporation laws, however, give less obstruction to the free circulation of stock from one place to another than to that of labour. It is everywhere much easier for a wealthy merchant to obtain the privilege of trading in a town corporate, than for a poor artificer to obtain that of working in it.

The obstruction which corporation laws give to the free circulation of labour is common, I believe, to every part of Europe. That which is given to it by the Poor Laws is, so far as I know, peculiar to England.

It consists in the difficulty