regulates the subsistence of the labourer, and determines in what degree it shall be, either liberal, moderate, or scanty. The ordinary or average price of provisions determines the quantity of money which must be paid to the workman in order to enable him, one year with another, to purchase this liberal, moderate, or scanty subsistence. While the demand for labour and the price of provisions, therefore, remain the same, a direct tax upon the wages of labour can have no other effect than to raise them somewhat higher than the tax. Let us suppose, for example, that in a particular place the demand for labour and the price of provisions were such as to render ten shillings a week the ordinary wages of labour, and that a tax of one-fifth, or four shillings in the pound, was imposed upon wages.

If the demand for labour and