108
COIN'S FINANCIAL SCHOOL.
when expressed in terms of money no increase in its value will be indicated.
"It only expresses its value in its purchasing power.
"If a dollar buys a bushel of wheat, during a time
![THE AVERAGE EXPORT PRICE OF WHEAT COTTON AND SILVER FOR EACH YEAR](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Coin%27s_Financial_School_-_Coin%27s_Financial_School_-_page_108.png/400px-Coin%27s_Financial_School_-_Coin%27s_Financial_School_-_page_108.png)
when the supply of wheat is normal, and the conditions continuing normal, at a later time a dollar will buy two bushels of wheat—then the dollar has doubled its purchasing power.