Illusion

Guardian UK: The Trump effect has rallied US markets – but it's based on illusion - The perception that the president-elect is a business genius and too much focus on the Dow Jones have led to excessive optimism by Robert Shiller

Many people appear not to understand that inflation is a change in the units of measurement. Unfortunately, though the 2% inflation target is largely a feelgood policy, people tend to draw too much inspiration from it. Irving Fisher called this fixation on nominal price growth the “money illusion” in an eponymous 1928 book.