Just like the old joke, "How do you eat an elephant? ...one bite at a time", inflation is constantly "eating" away at your purchasing power. Some years your purchasing power might decline by 1%, and other years, it might decline by 5% or even 10%. As we can see from the chart above, back in 1980, purchasing power declined by an average of 13.55% over the whole year. But from April 1979 to April 1980, prices increased (and thus purchasing power declined) by a whopping 14.76%. And that was on top of 10.09% from April 1978 to April 1979. So, in just two years, from April 1978 to April 1980, prices increased significantly. How much? Well, due to compounding, you can't simply add 14.76% and … [Read more...]