The number of podcast series (digital audio files accessed via the Web) has grown considerably in recent years. Those centered on business and economic history include:
Economic History Society podcastsMany general history podcast series often feature topics and speakers of interest:
EconTalk
Planet Money, NPR
Stories from the Stacks (Hagley Museum and Library)
University of Cambridge Economic and Social History podcasts
Who Makes Cents (Betsy Beasley and David Stein)
15 Minute History (University of Texas at Austin)At most of these sites, interested listeners can subscribe to have notice of new programs delivered automatically.
BackStory with the American History Guys (Ed Ayers, Peter Onuf, and Brian Balogh)
Ben Franklin's World (Liz Covart)
History Talk (Department of History, Ohio State University)
In Our Time (BBC)
Institute of Historical Research podcasts
Journal of American History podcasts
The Juntocast (early American history)
National Museum of American History podcasts (recent episodes featured Lisa Cook, Bernard Carlson, and Lee Vinsel)
Talking History, Organization of American Historians (archives, active through 2006)