But, without the bounty, it may be said the state of tillage would not have been the same. What may have been the effects of this institution upon the agriculture of the country, I shall endeavour to explain hereafter, when I come to treat particularly of bounties. I shall only observe at present, that this rise in the value of silver, in proportion to that of corn, has not been peculiar to England. It has been observed to have taken place in France during the same period, and nearly in the same proportion, too, by three very faithful, diligent, and laborious collectors of the prices of corn, Mr Dupré de St Maur, Mr Messance, and the author of the Essay on the Police of Grain. But in France, till 1764, the exportation of grain was by law prohibited; and it is somewhat difficult to suppose, that nearly the same diminution of price which took place in one country, notwithstanding this prohibition, should, in another, be owing to the extraordinary encouragement given to exportation. It would be more proper, perhaps, to consider this variation in the average money price of corn as the effect rather of some gradual rise in the real value of silver in the European market, than of any fall in the real average value of corn. Corn, it has already been observed, is, at distant periods of time, a more accurate measure of value than either silver or, perhaps, any other commodity. When, after the discovery of the abundant mines of America, corn rose to three and four times its former money price, this change was universally ascribed, not to any rise in the real value of corn, but to a fall in the real value of silver. If, during the sixty-four first years of the present century, therefore, the average money price of corn has fallen somewhat below what it had been during the greater part of the last century, we should, in the same manner, impute this change, not to any fall in the real value of corn, but to some rise in the real value of silver in the European market.