How Can Causal Economics Be Summed up in a Few Simple Sentences?

The central idea behind Causal Economics is that optimal decision making happens when costs and resulting benefits are tied together.

This is a simplification similar to that of boiling Behavioral Economics down to the idea of Nudging (a form of Libertarian Paternalism).

Going a step further, Causal Economics asserts that people are rewarded for their contributions and everyone can contribute in some way. Societal costs and risks are shared across citizens in line with associated benefits.