Paul Romer on the state of macroeconomics

Paul Romer, from whom I had the privilege to receive instruction in the first semester of my PhD studies, and who has gone on to great things, sees trouble in the way mainstream macroeconomics is done. He has been writing about this in various ways for a while, notably when he introduced the notion of “mathiness” (search for the term on this very blog to see what I had to say about it). His diagnosis about the trouble with macroeconomics, which is quite convincing to me, is here.

Big news on the Wolfram language

Wolfram Alpha has been freely accessible on the Web for some time now. It allows anyone to do some of the work that Mathematica can do, in a browser. Now, it looks like the new Wolfram language, a very ambitious project to open up programming to many more people, is also going to be freely available on the Wolfram “cloud”. Details in this post by Wolfram himself. When I get some time freed up, I want to play with this!