Here is a link to the latest Strategic Analysis on the US economy from the Levy Economics Institute. They publish a short report like this every year around this time, and discuss the performance of and prospects for the US, as well as considering how things could be improved with a change in policy.
The Levy Institute is officially non-partisan, but tends to publish in the spirit of post-Keynesian thinking. The late Hyman Minksy and Wynne Godley spent the latter part of their lives working there and Godley helped build their macroeconomic model of the US economy.
This year, the 14-page report is titled Can Redistribution Help Build a More Stable Economy? In short, the authors examine what they see as the four key constraints on the US economy and which account for the historically lengthy but weak recovery: (1) weak net export demand; (2) fiscal conservatism; (3) increasing income inequality; and (4) financial fragility. These four constraints help to explain the weak performance, as well as some of the political developments of recent years. Continue reading