Nominal assets are subject to a substantial inflation risk: if you invest 10,000 euros in a checking or savings account or a nonindexed government or corporate bond, that investment is still worth 10,000 euros ten years later, even if consumer prices have doubled in the meantime. In that case, we say that the real value of the investment has fallen by half: you can buy only half as much in goods and services as you could have bought with the initial investment, so that your return after ten years is −50 percent, which may or may not have been compensated by the interest you earned in the
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