{"type": "article", "title": "Dean Karlan has a Substack", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/dean-karlan-has-a-substack", "original_source": "https://marginalrevolution.com/marginalrevolution/2026/06/dean-karlan-has-a-substack.html?utm_source=rss&utm_medium=rss&utm_campaign=dean-karlan-has-a-substack", "published": "2026-06-23T07:07:53+00:00", "accessed": "2026-06-25", "id": "dean-karlan-has-a-substack"}