In this edition of The Motley Fool's "Ask a Fool" series, Motley Fool One analyst Jason Moser takes a question from a Fool reader who asks: "How can an investor see when we're in a bubble?" Jason talks about the dot-com boom and the recent housing crisis as examples of the market behaving irrationally and whether bitcoin may be another present-day example of "bubble-like" behavior and what investors can do.

Jason Moser owns shares of The Motley Fool recommends and owns shares of Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.