He publishes his outlook for the economy monthly, produces research on key topics and conducts regular briefings for clients, businesses, corporate boards and trade associations.

"[5] Zandi is a regular contributor to The Washington Post[6] and The Philadelphia Inquirer,[7] and is a frequent guest on CBS' Face the Nation, Fox Business, Sirius XM's Wharton Business Daily, C-SPAN, CNBC,[8] NPR, NBC's Meet the Press,[9] CNN,[10] and various other media outlets.

Zandi is on the board of directors of MGIC, the nation's largest private mortgage insurance company, and The Reinvestment Fund, a large CDFI that makes investments in disadvantaged neighborhoods.

[citation needed] In 2008, Zandi wrote the book Financial Shock: A 360° Look at the Subprime Mortgage Implosion, and How to Avoid the Next Financial Crisis[11] and in 2012 he wrote Paying the Price: Ending the Great Recession and Beginning a New American Century.

[12] Zandi's analysis of the impact of an economic stimulus package on the United States economy was cited by Christina Romer and Jared Bernstein in their report on President Barack Obama's proposed American Recovery and Reinvestment Plan, which became the American Recovery and Reinvestment Act of 2009.