Tyler Cowen recommends the pdf linked above in this post.

Matt appears in two other posts on supplysideliberal.com:

• Sticky Prices vs. Sticky Wages: A Debate Between Miles Kimball and Matthew Rognlie
• Matt Rognlie on Misdiagnosis of Difficulties and the Fear of Looking Foolish as Barriers to Learning

The first is one of my most popular posts ever on this blog. The quality of Matt’s arguments there give me very high respect for his acumen.