In 1911, Fisher published The Purchasing Power of Money. In chapter 13 of the first edition and in an appendix in the second section of 1913, he introduced a rule to maintain the stability of the level of prices, known as the “compensated dollar”. According to this rule, the legal definition of money is changed. In other words, the weight in gold of the dollar is modified once a month in order to impede the frequency of price changes on a basket of goods. According to Fisher, this plan would offer stability for the purchasing power of money. He sought to find an alternative system to the fixed price of gold under the Gold Standard. He wanted to introduce a dollar fixed in terms of its purchasing power, but variable in terms of its metallic ...