... lowers all boats. 
I believe this is the corollary -- 
Not just with economies and governments, 
But with all interconnected things: 
People, families, friends,  
Moods, dreams, undertakings, 
Teams, bodies, spirits. 

Under skies strange and on seas roiled, 
In mornings lost and evenings unseen, 
We ride the same waves, and face the same storms, 
Just from different vantage points.