Your ad prices might be upped, and you might need to bid high and pay to get them down again. Then again this can happen at any time. Still you might get so dicouraged you might give it up. Easier to deal with a few every day than all at once.
What the algo does and how the algo treats stopping only Godgle knows.
Pausing an ad definitely affects you if you were showing along the top - if you wait too long to restart your ad you might have a delay of several days before a Google human re-authorises your ad to be along the top.
Woah, wait a second.. Are you sure? So if an ad in the premium position gets paused for "too long" then it has to be re-reviewed by an editor before it can occupy that position when resumed?
This definitely happens for ads we have paused for 6+ months, and maybe for shorter periods - it doesn't bother me too much, so I haven't studied it.
Pausing an ad definitely affects you if you were showing along the top - if you wait too long to restart your ad you might have a delay of several days before a Google human re-authorises your ad to be along the top.
This would be news to me, unless of course the ad was edited while paused - in which case it would need to be reviewed/approved when 'unpaused', just like any edited or new ad would need to be - keeping in mind that only approved ads go into the top spots.
I'll check around to see if anything changed while I wasn't looking, though. ;)
AWA