I manage an adwords campaign for a highly competitive local search term and we are getting gouged because of layout changes. about 5 or 6 months ago google add

I manage an adwords campaign for a highly competitive local search term and we are getting gouged because of layout changes. about 5 or 6 months ago google added a local map on the right column and lowered the ads beneath the map. the results has been you have to bid much higher and pay more for less.