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Robert J. Shiller

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Robert J. Shiller is an American economist. He studies how money and markets work.

Nobel Prize 5 2013
Nobel Prize 5 2013

He has taught at Yale University for many years. Shiller is famous for his big ideas about stocks and houses.

One major idea is about how people act. Many experts thought markets were always logical. Shiller showed that markets can be very jumpy. He found that people often use emotions to make choices. This can cause prices to change in strange ways.

He also helped create ways to track house prices. This is called the Case-Shiller index. It looks at what houses sell for.

Price-Earnings Ratios as a Predictor of Twenty-Year Returns (Shiller Data)
Price-Earnings Ratios as a Predictor of Twenty-Year Returns (Shiller Data)

Shiller also made a tool called CAPE. It helps people see if stock prices are too high.

IE Real SandP Prices, Earnings, and Dividends 1871-2006
IE Real SandP Prices, Earnings, and Dividends 1871-2006

Shiller warned people about market bubbles. A bubble is when prices rise too fast. He said this could lead to a recession. A recession is a time when the economy slows down. In 2013, he won the Nobel Prize in Economics. This is a very high honor for his work.

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File:Nobel Prize 5 2013.jpg
Nobel Prize 5 2013.jpg
File:IE Real SandP Prices, Earnings, and Dividends 1871-2006.png
IE Real SandP Prices, Earnings, and...
File:Price-Earnings Ratios as a Predictor of Twenty-Year Returns (Shiller Data).png
Price-Earnings Ratios as a Predictor of...
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