Greg Mankiw with a pretty picture

of GDP:

The yellow bar shows the total of 3.9% GDP growth. The other bars show where the growth is coming from.

This is my favorite way to show what’s actually going on – you can see that most of our growth is coming from consumption, that business investment and exports are important, and that housing is still a big drag.

We also had some happy news that productivity grew 2.6% in the 2nd quarter of this year. Higher productivity means each worker makes more stuff. Over time, productivity growth leads to wage growth.

UPDATE: Greg has a great healthcare essay at the NY Times.