Subject
- Logging -- Costs -- Mathematical models4
- Lumbering -- Mathematical models3
- Travel costs -- Mathematical models2
- Consumers' surplus -- Econometric models1
- Consumers' surplus -- Mathematical models1
- Countertrade1
- Demand functions (Economic theory)1
- Diagnosis -- Cost effectiveness -- Mathematical models1
- Diagnosis -- Decision making -- Mathematical models1
- Douglas fir -- Thinning -- Economic aspects -- Oregon -- Siuslaw National Forest1
- Foreign exchange -- Mathematical models1
- Forest thinning -- Cost effectiveness1
- Forest thinning -- Economic aspects -- Mathematical models1
- Forest thinning -- Economic aspects -- Oregon -- Siuslaw National Forest1
- GPS receivers -- Evaluation1
- Log transportation -- Costs -- Mathematical models1
- Logging -- Econometric models1
- Logging -- Oregon -- Siuslaw National Forest -- Costs1
- Logging trucks -- Cost of operation -- Mathematical models.1
- Logging, Skyline -- Cost effectiveness1