It's also that there's no first mover advantage, unless other nations act in unison there could be a penalty (in GDP growth) for being the first to act. Note th

It's also that there's no first mover advantage, unless other nations act in unison there could be a penalty (in GDP growth) for being the first to act. Note that it's not true of every recommended action, but of enough of them to be political suicide to go all in like we really should.