When the latest parties discovered the error, they stubbornly refused to work out a deal among themselves. 

I bet they like cash :-)They could be stupid and get greedy and stubborn.  

They almost forced me to completely abandon a deal because of their stubborn underwriting department who couldn't see the forest through the trees.

Yes that might be the case, but it could also be a stubborn seller, a buyer that backed out, an unorganized broker, etc. etc. 

There were a couple of companies that approached her a few years ago but she was being stubborn and missed those deals. 

I know that's a huge lift for a rookie but the numbers make a lot of sense to me and I've been called stubborn a time or two so I know I'll see it through. 

I'm stubborn, so it took me a long time to truly learn the high cost of doing so.

Las Vegas has had a stubbornly high unemployment rate.

And who argued with electricians who answered one of your questions about an electrical issue.I'm a stubborn guy myself, with strong opinions about the right way to do certain things.  

I know David Greene is busy turning $2M houses in Oakland into $3M houses in Oakland, but I'm looking for bread and butter 3/1 rentals, and they're staying stubbornly high - sellers are holding out for 2021 situations even though there is slightly less demand at the moment.