With what? You're an economist, not an MMA fighter.

A) you don't know that, B) everyone else would be an MMA fighter?

Right, so the nerds get together and beat down the MMA fighters and create laws against "murder" and "theft"...

Premise construction

...and pretty soon you've got government.

Magic

We're living in your nice little equilibrium.

Conclusion

I can't even accuse you basing your argument on a logical fallacy, because there isn't an argument present.