He has served, along with fellow post-Keynesian William Mitchell of the Charles Darwin University, Australia, as co-editor of the International Journal of Environment, Workplace, and Employment.

[4] L. Randall Wray has been a long-time proponent of Modern monetary theory (MMT) and has written and spoken about the subject extensively.

Wray and his fellow MMT advocates have gained at least some acceptance among mainstream economists and business leaders working on Wall Street.

[7] On April 6, 2018, Wray gave a lecture at St. Francis College, located in New York City, about Modern Monetary Theory.

On November 20, 2019, Wray gave Congressional testimony, which he called the "Reexamining the Economics of Costs of Debt".