The Wealth of Nations by Part 1 Chapter 10 Page 110

therefore, were decaying, the workmen might find a resource in one of the other two which was in a more prosperous condition; and their wages would neither rise too high in the thriving, nor sink too low in the decaying manufacture. The linen manufacture indeed is, in England, by a particular statute, open to everybody; but as it is not much cultivated through the greater part of the country, it can afford no general resource to the workmen of other decaying manufactures, who, wherever the Statute of Apprenticeship takes place, have no other choice but either to come upon the parish, or to work as common labourers, for which, by their habits, they are much worse qualified than for any sort of manufacture that bears any resemblance to their own.

They generally, therefore, choose to come upon the parish.