| | | | |
| | | | |
| | | | |
| | | | |
| web | Kailey Fralick | Motley Fool | 2019-01-21 |
| web | Robert Ross | MarketWatch | 2018-11-15 |
| web | | MarketWatch | 2018-11-15 |
| web | Mark Hulbert | MarketWatch | 2018-07-01 |
| web | Heather Gillers, Anne Tergesen... | Wall Street Journal | 2018-06-22 |
| web | David Rosnick and Dean Baker | CEPR | 2017-11-01 |
| web | Randy Glasbergen | | 2017-10-27 |
| web | Randy Glasbergen | | 2020-12-09 |
| web | Maurie Backman | Motley Fool | 2017-07-16 |
| web | Neal Gabler | The Atlantic | 2016-04-20 |
| web | Dan Kadlec | Money | 2015-12-02 |
| web | Julian Guthrie | San Francisco Chronicle | 2009-03-09 |
| | Richard H. Thaler and Cass R. ... | Yale University Press | 2008-01-01 |
| | Vicki Robin and Joe Dominguez | Penguin Books | 2008-01-01 |