It has been owing in part to the great prosperity of almost every part of the country, the rents of almost all the estates of Great Britain having, since the time when this valuation was first established, been continually rising, and scarce any of them having fallen. The landlords, therefore, have almost all gained the difference between the tax which they would have paid, according to the present rent of their estates, and that which they actually pay according to the ancient valuation. Had the state of the country been different, had rents been gradually falling in consequence of the declension of cultivation, the landlords would almost all have lost this difference. In the state of things which has happened to take place since the revolution, the constancy of the valuation has been advantageous to the landlord and hurtful to the sovereign. In a different state of things it might have been advantageous to the sovereign and hurtful to the landlord.
As the tax is made payable in money, so the valuation of the land is expressed in money. Since the establishment of this valuation the value of silver has been pretty uniform, and there has been no alteration in the standard of the coin either as to weight or fineness. Had silver risen considerably in its value, as it seems to have done in the course of the two centuries which preceded the discovery of the mines of America, the constancy of the valuation might have proved very oppressive to the landlord. Had silver fallen considerably in its value, as it certainly did for about a century at least after the discovery of those mines, the same constancy of valuation would have reduced very much this branch of the revenue of the sovereign. Had any considerable alteration been made in the standard of the money, either by sinking the same quantity
