David Halpern
David Halpern has written at least 1 book. Their most popular book is Inside the Nudge Unit: How Small Changes Can Make a Big Difference with 3 saves with an average rating of 4⭐.
David Halpern has written at least 1 book. Their most popular book is Inside the Nudge Unit: How Small Changes Can Make a Big Difference with 3 saves with an average rating of 4⭐.
2016 • 3 Readers • 402 pages • 4