Trevor Rose’s Insights - Trevor’s most-liked answers from 5i Research. The Effects of Inflation. Inflation, by definition, can be described both by as an erosion of the purchasing power of the dollar, or as an increase in the price of goods and services. By investing in the financial markets, individuals can earn a return over the long-term that is above the rate of inflation, and thereby having a low time preference and increasing their wealth after the effects of inflation. Unlock Premium - Try 5i Free