A stronger dollar effectively puts trips to Britain, Mexico, and Japan, among others, “on sale” as your purchasing power is higher than a decade ago. View this interactive chart on Fortune.com ...

Gold and silver build positive price action on inflation concerns as the US dollar weakens.

Purchasing power changes over time under the influence of factors such as inflation, wage growth, interest rates and currency fluctuations. For example, if prices rise over time, each dollar is ...

The chart shows how the two measures of purchasing power compare in Mexico and South America from 2000 to 2015.­ Periods of higher interest rates in the United States tend to occur alongside a ...