Robert Shiller is a renowned American economist, best known for his work on financial markets and behavioral economics. He gained fame for developing the Case-Shiller Home Price Index, which tracks changes in residential real estate prices across the United States. Shiller's insights into market bubbles and crashes have made him a respected voice in economic discussions. In 2013, he was awarded the Nobel Prize in Economic Sciences for his contributions to understanding asset prices and market volatility. Shiller is also a professor at Yale University, where he teaches economics and finance, and he has authored several influential books that explore the psychology behind economic decisions.