The US economy has undergone a number of puzzling changes in recent decades. Large firms now account for a greater share of economic activity, new firms are being created at a slower rate, and workers are getting paid a smaller share of GDP. This paper shows that changes in population growth...

We study why capital accumulation in Argentina was slow in the 1990s and 2000s, despite high productivity growth and low international interest rates. We show that limited commitment constraints introduce two mechanisms. First, the response of investment to a total factor productivity increase...