Companies, in fact, are specifically organized to under-invest in disruptive innovations! This is one reason why we often suggest that companies set up separate teams or groups to commercialize disruptive innovations. When disruptive innovations have to fight with other innovations for resources, they tend to lose out.
The Republicans are wrong in thinking that the rich create jobs. In reality, many of the richest Americans have been investing in efficiency innovations rather than to create jobs. And the Democrats are wrong, because growth won't happen if they distribute the wealth of the wealthy to everyone else.
Managers are already voracious consumers of theory. Every time they make a decision or take action, it's based on some theory that leads them to believe that action will lead to the right result. The problem is, most managers aren't aware of the theories they're using, and they often use the wrong theories for the situation.