Good point. I'd add that the expected payback from doing incremental work is also a variable that can go through extreme changes over the medium term, which can

Good point. I'd add that the expected payback from doing incremental work is also a variable that can go through extreme changes over the medium term, which can lead to changes in whether it's rational to play it safe or attempt to blaze a trail. That makes me wonder whether changes in rates of entrepreneurialism lead or lag economic downturns...