If they raise prices now gradually for the next 20 years, then when paper becomes very expensive due to deforestation, then no one will notice.
Computers are cheaper than they were 20 years ago. Milk and bread is more expensive than they were 20 years ago. Prices change in accordance to what the market will bear. Unless someone has the foresight of Hari Seldon, I don't think the market can be artificially altered for the long term.