These costs will have a huge/major 'ripple effect' on the economy. [=the costs will cause important changes in the economy]
These kinds of crimes create a 'ripple effect' throughout the city. [=they cause more crimes, problems, etc.]
A 'ripple of' fear/excitement spread through the room. [=people in the room suddenly felt fear/excitement]
(..) Doc! Doc! The newspaper changed. Doc, my father's alive! Mission accomplished. That means Jennifer's okay and Einie's okay, right? That's right, Marty. It's the ripple effect. The future is back, so let's go home. Right. Let's get our asses back to the... Doc, Doc, are you okay? DOC: (..)1989 Back to the Future Part II