The benefits of this are: reduced infrastructure costs, the potential for less car use for commuting if people live near where they w'ork and preserving land for agriculture and nature. To maintain support for the plan’s objectives, the two core communes may have to compensate these losing communes, w'hich of course reduces the benefits of the strategy. Moreover, the spatial strategy seems to assume that new employers will be w illing to settle for a higher cost and more complex to develop browmfield sites in Nantes or Saint-Nazaire over greenfield sites in a rural commune.