Here is a great run down of all the major models for local advertising and the current pricing of the major players. It is probably the most comprehensive list that I have seen. Note the variety of models from slotting (monthly subscription) to pay per click to pay per call to search engine optimization for a fee. Take a look.
Great link! I will definitely be referencing it in the future.
Has anyone here ever applied what the poster is describing? I mean, do you think it would make a difference in your business if you did?: marketingstrategiestoday.com/internet-advertising-company