This book explores the period from World War I through the 1920s in order to answer the question: did a financial "bubble" form, and if so, could it have been anticipated? Using new data and over 100 years of stock market returns, real-life models used by investors and modern research, the...

This paper investigates sentiment in the US economy from 1920 to 1934 using digitized articles from the Wall St Journal. We derive a monthly sentiment index and use a ten variable vector error correction model to identify sentiment shocks that are orthogonal to fundamentals. We show the timing...