unpriced

adj.

无法估价的，贵重的；

Unpriced transport congestion
UNPRICED ORDER AUCTION AND ROUTING
Hidden Costs of Energy: Unpriced Consequences of Energy Production and Use
The Hidden Costs of Energy: Unpriced Consequences of Energy Production.
Optimal road capacity in the presence of unpriced congestion
Valuation of unpriced products: contingent valuation, cost–benefit analysis and participatory democracy
Peak-Load Pricing of a Transportation Route with an Unpriced Substitute ☆
Hidden Costs of Energy: Unpriced Consequences of Energy Production and Use National Research Council Washington
Efficient Congestion Tolls in the Presence of Unpriced Congestion: A Peak and Off-Peak Simulation Model
Urban growth boundaries: An effective second-best remedy for unpriced traffic congestion? ☆