J. Duffield

发表

Cost–Benefit Analyses of Mitigation Measures Aimed at Reducing Collisions with Large Ungulates in the United States and Canada: a Decision Support Tool

Patrick Tracy McGowen, Marcel P Huijser, Robert J. Ament, 2009 .

MAMMAL ROAD MORTALITY AND COST–BENEFIT ANALYSES OF MITIGATION MEASURES AIMED AT REDUCING COLLISIONS WITH CAPYBARA (Hydrochoerus hydrochaeris) IN SÃO PAULO STATE, BRAZIL

M. Huijser, F. Abra, J. Duffield, 2013 .

Estimating compensation ratios for tribal resources within a habitat equivalency framework

D. Patterson, J. Duffield, C. Neher, 2021 .

Field testing existence values for riparian ecosystems

D. Patterson, P. Champ, J. Duffield, 2007 .

Convergent validity of alternative dependent variable specifications for individual travel cost models

D. Patterson, J. Duffield, C. Neher, 2018, Environmental Economics and Policy Studies.

Valuation of National Park System Visitation: The Efficient Use of Count Data Models, Meta-Analysis, and Secondary Visitor Survey Data

D. Patterson, J. Duffield, C. Neher, 2013, Environmental Management.

Natural resource valuation with a tribal perspective: a case study of the Penobscot Nation

D. Patterson, J. Duffield, C. Neher, 2018, Applied Economics.

Economic Value of Instream Flow in Montana's Big Hole and Bitterroot Rivers

T. Brown, J. Duffield, S. Allen, 2018 .

Testing the Limits of Temporal Stability: Willingness to Pay Values among Grand Canyon Whitewater Boaters Across Decades

Lucas S. Bair, D. Patterson, J. Duffield, 2017 .

Independent Economic Analysis Board

D. Huppert, J. Hamilton, N. Netusil, 2007 .

Research, part of a Special Feature on Effects of Roads and Traffic on Wildlife Populations and Landscape Function Cost-Benefit Analyses of Mitigation Measures Aimed at Reducing Collisions with Large Ungulates in the United States and Canada: a Decision Support Tool

A. Clevenger, M. Huijser, R. Ament, 2009 .

Valuation of Recreation in the National Parks: Estimating Micro Meta Models for Benefit Transfer

J. Loomis, D. Patterson, J. Duffield, 2013 .

Convergent validity between willingness to pay elicitation methods: an application to Grand Canyon whitewater boaters

Lucas S. Bair, D. Patterson, J. Duffield, 2019 .

Recreation benefits of instream flow: Application to Montana's Big Hole and Bitterroot Rivers

Thomas C. Brown, John W. Duffield, T. Brown, 1992 .

Modeling the Behavior of Marlin Anglers in the Western Pacific

D. Patterson, J. Duffield, C. Neher, 2012, Marine Resource Economics.

Larvae of Nomophila noctuella Feeding on Douglas-fir Nursery Seedlings

N. Johnson, J. Duffield, 1961 .

Damage to western Washington forests from November 1955 cold wave.

J. Duffield, 1956 .

Hybrids of sugar pine by embryo culture

J. Duffield, E. Stone, 1950 .

Studies of extraction, storage, and testing of pine pollen

J. Duffield, 1953 .

Interspecies hybrids in pines; a summary of interspecific crossings in the genus Pinus made at the Institute of Forest Genetics.

J. Duffield, F. I. Righter, 1951, The Journal of heredity.

Heights of selected ponderosa pine seedlings during 20 years

R. Z. Callaham, J. Duffield, 1963 .

A Discriminant Analysis of Introgression between Quercus prinus L. and Quercus alba L.

F. Ledig, Robert W. Wilson, J. Duffield, 1969 .

Chromosome counts in Quercus.

J. Duffield, 1940 .

Inference and Optimal Design for a Welfare Measure in Dichotomous Choice Contingent Valuation

David A. Patterson, John W. Duffield, D. Patterson, 1991 .

Testing Part‐Whole Valuation Effects in Contingent Valuation of Instream Flow Protection

Thomas C. Brown, John W. Duffield, T. Brown, 1995 .

Economic Risk Associated with the Potential Establishment of Zebra and Quagga Mussels in the Columbia River Basin

Noelwah R. Netusil, D. Huppert, J. Hamilton, 2010 .

Benefits from hibridizing American forest tree species.

J. Duffield, E. Snyder, 1958 .

TWO PERSPECTIVES ON ECONOMY AND NATURE: A REVIEW

J. Duffield, 1998 .

NONMARKET VALUATION AND THE COURTS: THE CASE OF THE EXXON VALDEZ

J. Duffield, 1997 .

Economics of wild salmon ecosystems: Bristol Bay, Alaska

D. Patterson, J. Duffield, C. Neher, 2007 .

Incorporating deer and turtle total value in collision mitigation benefit-cost calculations

J. Duffield, C. Neher, 2021 .

Comment on Cameron's censored logistic regression model for referendum data

D. Patterson, J. Duffield, 1991 .

Relationships and species hybridization in the genus Pinus.

J. Duffield, 1952 .

Wolf Recovery in Yellowstone: Park Visitor Attitudes, Expenditures, and Economic Impacts

D. Patterson, J. Duffield, C. Neher, 2008 .

Valuation and Policy in Alaskan Sport Fisheries

J. Duffield, C. Neher, M. F. Merritt, 2007 .

Budgeting for the Future: The Long-Term Impacts of Short-Term Thinking in Alabama K-12 Education Funding

Amy Harvey, D. Patterson, J. Duffield, 2017 .

Natural Resource Damages: Law and Economics

K. Ward, J. Duffield, 1992 .

Effects of wildfire on national park visitation and the regional economy: a natural experiment in the Northern Rockies

D. Patterson, J. Duffield, C. Neher, 2013 .

Auburn Dam: a Case Study of Water Policy and Economics

John W. Duffield, J. Duffield, 1980 .

A contingent valuation assessment of Montana deer hunting

Montana., J. Duffield, C. Neher, 1990 .

COST JUSTIFICATION AND AN EXAMPLE OF COST-BENEFIT ANALYSES OF MITIGATION MEASURES AIMED AT REDUCING COLLISIONS WITH CAPYBARA IN SÃO PAULO STATE, BRAZIL

Marcel P Huijser, Fernanda Delborgo Abra, John W. Duffield, 2013 .