Figure: Traffic Lights in Plymouth (Figure: Traffic Lights in Plymouth) Plymouth has 1,000 residents.The figure Traffic Lights in Plymouth shows the marginal social benefit and marginal cost of traffic lights in town.We know that each resident has the same individual marginal benefit per traffic light.If the town's population doubles and the new residents share the identical individual marginal benefit of the existing residents, the socially efficient quantity of traffic lights will:

Question

Figure: Traffic Lights in Plymouth  (Figure: Traffic Lights in Plymouth) Plymouth has 1,000 residents.The figure Traffic Lights in Plymouth shows the marginal social benefit and marginal cost of traffic lights in town.We know that each resident has the same individual marginal benefit per traffic light.If the town's population doubles and the new residents share the identical individual marginal benefit of the existing residents, the socially efficient quantity of traffic lights will:

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The Answer of Figure: Traffic Lights in Plymouth  (Figure: Traffic Lights in Plymouth) Plymouth has 1,000 residents.The figure Traffic Lights in Plymouth shows the marginal social benefit and marginal cost of traffic lights in town.We know that each resident has the same individual marginal benefit per traffic light.If the town's population doubles and the new residents share the identical individual marginal benefit of the existing residents, the socially efficient quantity of traffic lights will: