I just finished Posner and Weyl's Radical Markets,  and I'm happy to say it's well-worth the price.  The book isn't just engaging and exceedingly well-written.  Its policy proposals and vision are thought-provoking enough to inspire twenty blog posts. That said, almost all of those blog posts should be highly critical. Let's start with their best idea - the Visas Between Individuals Program (VIP).  Here's Posner and Weyl's sketch: [A]ny ordinary person could sponsor a migrant worker... for an indefinite period...