Difference between revisions of "SOCIOECONOMICS"

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'''Socioeconomics''' (also known as social economics) is the social science that studies how economic activity affects and is shaped by social processes. In general it analyzes how societies progress, stagnate, or regress because of their local or regional economy, or the global economy.
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===Socioeconomics ===
 +
Socioeconomics is the social science that studies how economic activity and social behavior shape and affect each other.  
 +
 
 +
===Core Concepts===
 +
*Social and Economic Link: It connects financial factors like income and wealth with human behavior, ethics, and social norms.
 +
*Beyond Traditional Economics: Unlike standard economics that often assumes people only act out of pure self-interest, socioeconomics looks at how culture, politics, and social groups influence choices.
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*Socioeconomic Status (SES): This measures an individual's or group's social standing using income, education level, and occupation.
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 +
===What it Examines===
 +
*Consumer Habits: How cultural trends and community values change what people buy.
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*Societal Progress: How local or global economies cause societies to grow, stall, or regress.
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*Quality of Life: How financial security and social supports affect health, education, and daily well-being
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Updates</h2>
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Willingness to Pay Studies</h2>
 
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Glen Canyon Dam (GCD) on the Colorado River in northern Arizona provides water storage, flood control, and power system benefits to approximately 40 million people who rely on water and energy resources in the Colorado River basin. Downstream resources (e.g., angling, whitewater floating) in Glen Canyon National Recreation Area (GCNRA) and Grand Canyon National Park are impacted by the operation of GCD. The GCD Adaptive Management Program was established in 1997 to monitor and research the effects of dam operations on the downstream environment. We utilized secondary survey data and an individual observation travel cost model to estimate the net economic benefit of angling in GCNRA for each season and each type of angler. As expected, the demand for angling decreased with increasing travel cost; the annual value of angling at Lees Ferry totaled US$2.7 million at 2014 visitation levels. Demand for angling was also affected by season, with per-trip values of $210 in the summer, $237 in the spring, $261 in the fall, and $399 in the winter. This information provides insight into the ways in which anglers are potentially impacted by seasonal GCD operations and adaptive management experiments aimed at improving downstream resource conditions.
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Willingness-to-pay (WTP) studies in the Grand Canyon evaluate the economic value visitors place on environmental conditions, recreational experiences, and Colorado River flow levels.
  
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===Key Findings and Studies===
  
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'''Whitewater Boater Valuations:''' Research comparing private-party Grand Canyon whitewater boater surveys from 1985 and 2015 found that mean trip willingness to pay for varying river flow levels remained remarkably stable over the 30-year span.
  
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'''Flow Level Preferences:''' Studies evaluating different hypothetical Colorado River flow scenarios show that boaters place the highest economic value on mid-range flows, with both very low and very high flows yielding lower WTP estimates.
  
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--------------------------------ADDITIONAL------------------------------->
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'''Methodological Testing:''' Research published by the U.S. Geological Survey has utilized Grand Canyon whitewater data to test the convergent validity between dichotomous choice contingent valuation (DCCV) and discrete choice experiment (DCE) methods, finding general consistency across most tested flow scenarios.
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'''Visibility and Environmental Quality:''' Older foundational studies (such as contingent valuation research archived by the RAND Corporation) examined public willingness to pay to improve winter visibility and reduce coal-plant-generated haze over the canyon.
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Links</h2>
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 +
*[https://www.usgs.gov/data/grand-canyon-whitewater-boater-data-convergent-validity-between-willingness-pay-elicitation Neher et al., 2018, Exploring convergent validity between willingness to pay elicitation methods—An application to Grand Canyon whitewater boaters: Journal of Environmental Planning and Management]
 +
*[[Media:Neher 2017 Testing limits temporal stability GC boaters pay values.pdf| Neher et al., 2017, Testing the limits of temporal stability—Willingness to pay values among Grand Canyon whitewater boaters across decades. Water Resource Research]]
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*[https://files.cfc.umt.edu/cesu/NPS/UMT/2005/Duffield_White%20Paper_CO%20river.pdf Duffield. 2006. Economic Values of National Park System Resources Within the Colorado River Watershed. National Park Service ]
 +
*[http://www.riversimulator.org/Resources/GCMRC/Recreation/Stewart2000.pdf The 2000 Stewart Report: Preferences of Recreation User Groups of the Colorado River in Grand Canyon. ]
 +
*[http://www.swrcb.ca.gov/water_issues/programs/ocean/cwa316/docs/cwa316may2010/comments041310/bishop_etal.pdf The 1987 Bishop Study: Grand Canyon Recreation and Glen Canyon Dam Operations: An Economic Evaluation. pg 407-436 ]
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*[[Media:1987 Bishop GCDam releases downstream rec analysis user pref.pdf| The 1987 Bishop Study: Glen Canyon Dam Releases and Down Stream Recreation: An Analysis of User Preferences and Economic Values.  Report to GCES. 398 pgs. ]]
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Market and Non-Market Studies</h2>
 
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[http://gcdamp.com/index.php?title=GCDAMP_SEAHG_Page Socioeconomic Ad Hoc Group (SEAHG) Page]
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Market values of water and hydropower from Glen Canyon Dam include priced agricultural irrigation, municipal water supply, and commercial electricity sales, while non-market values capture unpriced environmental, cultural, and greenhouse gas benefits.
 +
 
 +
===Market Values===
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'''Water Supply:''' Provides regulated freshwater storage for municipal, industrial, and agricultural irrigation across the Southwest.
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 +
'''Hydropower Generation:''' Produces up to 1,320 megawatts of electricity from its eight generators to serve millions of residential and commercial customers.
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 +
'''System Regulation:''' Generates flexible peaking capacity that helps stabilize the regional electrical grid during high-demand periods.
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===Non-Market Values===
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'''Ecosystem and Existence Value:''' Protects downstream riverine habitats, endangered species, and the natural landscape of the Grand Canyon region.
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 +
'''Greenhouse Gas Reductions:''' Provides non-carbon-emitting energy that studies estimate households are willing to pay extra to preserve over fossil-fuel alternatives.
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 +
'''Cultural and Social Worth:''' Sustains traditional and spiritual connections for Native American tribes and recreational opportunities for the public.
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 +
'''Quantified Willingness to Pay:''' Research published via ScienceDirect estimates the net non-market value of continuing current dam operations at roughly $2.15 per year per U.S. household, aggregating to $2.9 billion annually.
 +
 
 +
*[https://ltempeis.anl.gov/documents/docs/Colorado_River_Value_Study.pdf Duffield et al. 2016. The Colorado River Total Value Study. National Park Service]
 +
*[https://www.usbr.gov/uc/progact/amp/amwg/2014-08-27-amwg-meeting/Attach_07b.pdf The Colorado River Total Value Survey, a Passive Use Economic Study for the LTEMP EIS.]
 +
*[https://www.usbr.gov/uc/progact/amp/twg/2015-04-21-twg-meeting/Attach_10b.pdf Loomis, 2014, Market and Non-Market Values of Water Resources and Non-Market Values of Hydropower Associated With Glen Canyon Dam: A Theoretical Framework and Literature Review]
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*[https://www.usbr.gov/uc/progact/amp/twg/2015-04-21-twg-meeting/Attach_10a.pdf Non-Market Values for Alternative Operation of the Glen Canyon Dam: Experiments in Choice and Valuation ]
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*[https://drive.google.com/file/d/0BwY-Z2c3NTUGNzVvRFlzbGhoVGc/view Non-Market Values in Complex Coupled Systems: Theoretical Considerations and Pilot Study Results]
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*[https://drive.google.com/file/d/0BwY-Z2c3NTUGRVBlWEFEbGpPWW8/view Nonmarket values and Glen Canyon Dam]
 +
*[https://www.usbr.gov/uc/progact/amp/twg/2014-01-30-twg-meeting/Attach_03b.pdf Economic Values of Angling in Glen Canyon National Recreation Area and Rafting in Grand Canyon National Park]
  
 
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Non-use and Passive-use Studies</h2>
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Non-Use and Passive-Use Studies</h2>
 
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*[https://www.usbr.gov/uc/progact/amp/amwg/2017-02-15-amwg-meeting/Attach_10a.pdf Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach Report ]
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'''Passive use valuation''' (also known as non-use valuation) measures the economic value people place on preserving a natural resource—like the Grand Canyon and the Colorado River ecosystem—even if they never plan to visit it. For the Glen Canyon Dam, passive use valuation has played a historically groundbreaking, yet deeply debated, role in determining how water releases are managed to balance hydropower with environmental preservation.
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*[https://www.usbr.gov/uc/progact/amp/amwg/2017-02-15-amwg-meeting/Attach_10b.pdf Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach Report II]
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−
*[https://drive.google.com/file/d/0BwY-Z2c3NTUGSFp2Y1RnWlY4STA/view Glen Canyon Dam Operations: Passive Use Valuation-- History and Current Efforts]
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===Historical Context & The 1996 Milestone===
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Historically, passive use value studies for Glen Canyon Dam provided a landmark shift in how the federal government evaluates public natural resources:
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 +
'''[[Media:Welsh1995b.pdf |The 1995 Welsh Study:]]''' During the initial Environmental Impact Statement (EIS) process in the early 1990s, the Bureau of Reclamation commissioned a massive contingent valuation study (Welsh et al., 1995). It asked Americans nationwide about their "willingness to pay" through higher electricity bills to protect Grand Canyon beaches, cultural sites, and native fish.
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'''The Record of Decision (1996):''' The 1995 Welsh Study revealed that the American public placed an immense passive economic value on a healthy Grand Canyon ecosystem. This data directly informed the landmark 1996 Record of Decision (ROD) signed by Secretary of the Interior Bruce Babbitt. The decision legally shifted dam operations away from maximizing peak hydropower toward a "Modified Low Fluctuating Flow" model to protect downstream habitats.
 +
 
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'''The Adaptive Management Program (AMP):''' Formed in 1997, the Glen Canyon Dam Adaptive Management Program was created to continuously balance stakeholder needs, blending economics with ongoing river science.
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===Evolution: The LTEMP EIS (2016)===
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As the 1995 study aged, economists and resource managers questioned the "temporal stability" of those public values (whether people still cared as much 20 years later).
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 +
'''[https://ltempeis.anl.gov/documents/docs/Colorado_River_Value_Study.pdf The Total Value Study:]''' In preparation for the Long-Term Experimental and Management Plan (LTEMP) EIS, the National Park Service funded an updated passive use valuation study.
 +
 
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'''Broadening the Scope:''' Unlike the 1995 study, which focused heavily on downstream riverine impacts, subsequent academic and federal research expanded to measure how the public values the broader basin. This included factoring in the external costs of reducing hydropower, such as regional power grid stability and carbon emissions from alternative energy sources.
 +
 
 +
===Current Efforts & Ongoing Water Crisis===
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Current efforts in passive use valuation are intensely focused on a landscape altered by severe, multi-decadal drought and historic low reservoir levels.
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 +
'''Socioeconomic Modeling Integration:''' Agencies like the USGS Grand Canyon Monitoring and Research Center (GCMRC) use advanced bio-physical and socioeconomic models. Instead of relying on standalone surveys, economists now integrate passive use estimations directly into predictive models to see how the public values trade-offs when river flows drop below historic averages.
 +
 
 +
'''The Post-2026 Operational Guidelines:''' With the 2007 Interim Guidelines expiring, the Bureau of Reclamation is actively designing a Supplemental Environmental Impact Statement (SEIS) to rewrite the operating rules for Glen Canyon and Hoover Dams. Passive use valuation forms a core argument for environmental advocates pushing for structural modifications or steady-flow management to save endangered species like the humpback chub.
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 +
'''Addressing the "Minimum Power Pool" Dilemma:''' Recent scientific and economic reviews assess the ultimate passive use trade-off: the value of avoiding systemic ecological collapse in the Grand Canyon versus the immense economic fallout if Lake Powell falls below its power-generating intakes.
 +
 
 +
*[https://www.usbr.gov/uc/progact/amp/amwg/2017-02-15-amwg-meeting/Attach_10a.pdf Jenkins-Smith et al. 2016. Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach Report ]
 +
*[https://www.usbr.gov/uc/progact/amp/amwg/2017-02-15-amwg-meeting/Attach_10b.pdf Jenkins-Smith et al. 2016. Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach Report II]
 +
*[https://www.sciencedirect.com/science/article/pii/S2212428416300056 Jones et al. 2016. Valuation in the Anthropocene: Exploring options for alternative operations of the Glen Canyon Dam. Water Resources and Economics]
 
*[http://www.ecosystemvaluation.org/contingent_valuation.htm#case3 Ecosystem Valuation: Contingent Valuation Method]
 
*[http://www.ecosystemvaluation.org/contingent_valuation.htm#case3 Ecosystem Valuation: Contingent Valuation Method]
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*[https://www.usbr.gov/uc/progact/amp/amwg/2014-08-27-amwg-meeting/Attach_07b.pdf The Colorado River Total Value Survey, a Passive Use Economic Study for the LTEMP EIS]
+
*[https://www.semanticscholar.org/paper/Glen-Canyon-Dam%2C-Colorado-River-Storage-Project%2C-Welsh-Bishop/fe14b65d7b9beb048d57ba86c4f1ebb92b114c08 Welsh, M., R. Bishop, M. Phillips, and R. Baumgartner, 1995, Glen Canyon Dam, Colorado River Storage Project, Arizona—Nonuse Value Study Final Report, Madison, Wisc.]
 +
*[[Media:Welsh1995b.pdf |Welsh et al., 1995, SUMMARY: GCES non-use value study final report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 359 p.]]
 +
*[[Media:Welsh1995.pdf |Welsh et al., 1995, GCES non-use values final study summary report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 54 p.]]
  
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Market and Non-Market Studies</h2>
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Links</h2>
 
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*[https://www.usbr.gov/uc/progact/amp/twg/2015-04-21-twg-meeting/Attach_10a.pdf Non-Market Values for Alternative Operation of the Glen Canyon Dam: Experiments in Choice and Valuation ]
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*[http://gcdamp.com/index.php?title=GCDAMP_SEAHG_Page Socioeconomic Ad Hoc Group (SEAHG) Page]
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*[https://www.usbr.gov/uc/progact/amp/twg/2015-04-21-twg-meeting/Attach_10b.pdf Loomis, 2014, Market and Non-Market Values of Water Resources and Non-Market Values of Hydropower Associated With Glen Canyon Dam: A Theoretical Framework and Literature Review]
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*[https://parkplanning.nps.gov/showFile.cfm?sfid=229953&projectID=39292 LTEMP EIS Appendix L: Socioeconomic Technical Information and Analysis]
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*[https://drive.google.com/file/d/0BwY-Z2c3NTUGNzVvRFlzbGhoVGc/view Non-Market Values in Complex Coupled Systems: Theoretical Considerations and Pilot Study Results]
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*[https://gcdamp.com/index.php/RECREATION Recreation page]
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*[https://drive.google.com/file/d/0BwY-Z2c3NTUGRVBlWEFEbGpPWW8/view Nonmarket values and Glen Canyon Dam]
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*[https://gcdamp.com/index.php/HYDROPOWER Hydropower page]
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*[https://www.usbr.gov/uc/progact/amp/twg/2014-01-30-twg-meeting/Attach_03b.pdf Economic Values of Angling in Glen Canyon National Recreation Area and Rafting in Grand Canyon National Park]
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*[https://gcdamp.com/index.php/FISHERY Lees Ferry Rainbow Trout Fishery page]
  
 
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'''2026'''
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*[https://www.usbr.gov/uc/progact/amp/twg/2026-02-05-twg-meeting/uc-gcdamp-arm-balancingfishhydropower-508-20260205.pdf Balancing the Lees Ferry Sport Fishery, Humpback Chub, and Hydropower: Investigations into Experimental Flows and Incentivized Harvest]
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'''2025'''
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*[https://www.usbr.gov/uc/progact/amp/twg/2024-07-10-twg-meeting/20240710-SocioeconomicsAdHocGroup-508-AMWD.pdf Socioeconomics Ad Hoc Group]
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*[https://www.usbr.gov/uc/progact/amp/twg/2025-04-10-twg-meeting/uc-gcdamp-twg-arm-moneycantbuymefish-508-20250410.pdf Money Can’t Buy Me Fish: Lessons from the Incentivized Harvest Program]
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*[https://www.usbr.gov/uc/progact/amp/twg/2025-04-10-twg-meeting/uc-gcdamp-twg-arm-tradingjoulesforfish-508-20250410.pdf Trading joules for fish? Opportunity costs in the adaptive management of regulated rivers]
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'''2024'''
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*[https://www.usbr.gov/uc/progact/amp/amwg/2024-02-29-amwg-meeting/20240229-PotentialEconomicCostSmallmouthBassFlows-508-UCRO.pdf Potential Economic Cost of Smallmouth Bass Flows ]
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*[https://www.usbr.gov/uc/progact/amp/twg/2024-01-25-twg-meeting/20240125-AnnualReportingMeeting-AnglerParticipationSurveys-508-UCRO.pdf Angler Participation and Surveys ]
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*[https://www.usbr.gov/uc/progact/amp/twg/2024-01-25-twg-meeting/20240125-AnnualReportingMeeting-PotentialEconomicCostSmallmouthBassFlows-508-UCRO.pdf Potential Economic Cost of Smallmouth Bass Flows ]
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 +
'''2020'''
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*[https://www.usbr.gov/uc/progact/amp/amwg/2020-08-20-amwg-meeting/20200820-BioeconomicModelingAdaptiveManagement-508-UCRO.pdf Are there any more surprises? Bioeconomic modeling and adaptive management ]
 +
*[https://www.usbr.gov/uc/progact/amp/amwg/2020-02-12-amwg-meeting/20200212-GCMRCScienceUpdatesPart3-Presentation-508-UCRO.pdf GCMRC 2019 Annual Reporting Meeting Overview – Part 3 ]
  
 
'''2018'''
 
'''2018'''
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*[https://www.usbr.gov/uc/progact/amp/twg/2016-10-18-twg-meeting/Attach_10.pdf Socioeconomics Research and Monitoring Update: Project 13.1 – Recreation]
 
*[https://www.usbr.gov/uc/progact/amp/twg/2016-10-18-twg-meeting/Attach_10.pdf Socioeconomics Research and Monitoring Update: Project 13.1 – Recreation]
 
*[http://cess.ou.edu/resources/2016093-GCD_3B_FinalReport.pdf Jenkins-Smith et al., 2016, Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach]
 
*[http://cess.ou.edu/resources/2016093-GCD_3B_FinalReport.pdf Jenkins-Smith et al., 2016, Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach]
−
*[https://drive.google.com/file/d/0BwY-Z2c3NTUGNzVvRFlzbGhoVGc/view Non-Market Values in Complex Coupled Systems: Theoretical Considerations and Pilot Study Results]*[https://drive.google.com/file/d/0BwY-Z2c3NTUGekFPLWotSEgyQ0U/view Law, Values, and Water Management Decisions]
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*[https://drive.google.com/file/d/0BwY-Z2c3NTUGNzVvRFlzbGhoVGc/view Non-Market Values in Complex Coupled Systems: Theoretical Considerations and Pilot Study Results]
−
*[https://drive.google.com/file/d/0BwY-Z2c3NTUGSFp2Y1RnWlY4STA/view Glen Canyon Dam Operations: Passive Use Valuation-- History and Current Efforts]*[[Media:Whitewater Angler FINAL REPORT.pdf| Duffield and Patterson. 2016. Economic Analysis of Glen Canyon Angler and Grand Canyon Whitewater Visitor Surveys.]]  
+
*[https://drive.google.com/file/d/0BwY-Z2c3NTUGekFPLWotSEgyQ0U/view Law, Values, and Water Management Decisions]
 +
*[https://drive.google.com/file/d/0BwY-Z2c3NTUGSFp2Y1RnWlY4STA/view Glen Canyon Dam Operations: Passive Use Valuation-- History and Current Efforts]
 +
*[[Media:Whitewater Angler FINAL REPORT.pdf| Duffield and Patterson. 2016. Economic Analysis of Glen Canyon Angler and Grand Canyon Whitewater Visitor Surveys.]]  
  
 
'''2015'''
 
'''2015'''
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*[https://www.usbr.gov/uc/progact/amp/amwg/2009-08-12-amwg-meeting/Attach_08i.pdf Workshop Prospectus to Guide Development of a Work Plan and Request for Proposal to Address High Priority Socio-Economic Information Needs of the GCDMP]
 
*[https://www.usbr.gov/uc/progact/amp/amwg/2009-08-12-amwg-meeting/Attach_08i.pdf Workshop Prospectus to Guide Development of a Work Plan and Request for Proposal to Address High Priority Socio-Economic Information Needs of the GCDMP]
 
*[https://www.usbr.gov/uc/progact/amp/twg/2009-06-22-twg-meeting/Attach_02.pdf Economic Values of National Park System Resources Within the Lower Colorado River Basin: A Compilation of Existing Data and Proposal for Future Work]
 
*[https://www.usbr.gov/uc/progact/amp/twg/2009-06-22-twg-meeting/Attach_02.pdf Economic Values of National Park System Resources Within the Lower Colorado River Basin: A Compilation of Existing Data and Proposal for Future Work]
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 +
'''1996'''
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*[https://coloradoriverscience.org/images/1/15/GAO_Audit_GCD_FEIS_1996.pdf US General Accounting Office. 1996. An Assessment of the Environmental Impact Statement on the Operations of the Glen Canyon Dam]
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 +
'''1995'''
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*[[Media:Welsh1995.pdf |Welsh, M.P., Bishop, R.C., Phillips, M.L., and Baumgartner, R.M., 1995, GCES non-use values final study summary report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 54 p.]]
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*[[Media:Welsh1995b.pdf |Welsh, M.P., Bishop, R.C., Phillips, M.L., and Baumgartner, R.M., 1995, GCES non-use value study final report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 359 p.]]
 +
 +
'''1993'''
 +
*[http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.390.7857&rep=rep1&type=pdf Harpman, D.A., Welsh, M.P., and Bishop, R.C., 1993, Nonuse economic value--Emerging policy analysis tool: Rivers, v. 4, no. 4, p. 280-291]
  
 
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Latest revision as of 17:01, 8 September 2026
GCDAMP SEAHG -LOGO PIC.jpg

Socioeconomics

Socioeconomics is the social science that studies how economic activity and social behavior shape and affect each other.

Core Concepts

  • Social and Economic Link: It connects financial factors like income and wealth with human behavior, ethics, and social norms.
  • Beyond Traditional Economics: Unlike standard economics that often assumes people only act out of pure self-interest, socioeconomics looks at how culture, politics, and social groups influence choices.
  • Socioeconomic Status (SES): This measures an individual's or group's social standing using income, education level, and occupation.

What it Examines

  • Consumer Habits: How cultural trends and community values change what people buy.
  • Societal Progress: How local or global economies cause societies to grow, stall, or regress.
  • Quality of Life: How financial security and social supports affect health, education, and daily well-being


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 ---
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Willingness to Pay Studies

Willingness-to-pay (WTP) studies in the Grand Canyon evaluate the economic value visitors place on environmental conditions, recreational experiences, and Colorado River flow levels.

Key Findings and Studies

Whitewater Boater Valuations: Research comparing private-party Grand Canyon whitewater boater surveys from 1985 and 2015 found that mean trip willingness to pay for varying river flow levels remained remarkably stable over the 30-year span.

Flow Level Preferences: Studies evaluating different hypothetical Colorado River flow scenarios show that boaters place the highest economic value on mid-range flows, with both very low and very high flows yielding lower WTP estimates.

Methodological Testing: Research published by the U.S. Geological Survey has utilized Grand Canyon whitewater data to test the convergent validity between dichotomous choice contingent valuation (DCCV) and discrete choice experiment (DCE) methods, finding general consistency across most tested flow scenarios.

Visibility and Environmental Quality: Older foundational studies (such as contingent valuation research archived by the RAND Corporation) examined public willingness to pay to improve winter visibility and reduce coal-plant-generated haze over the canyon.

Market and Non-Market Studies

Market values of water and hydropower from Glen Canyon Dam include priced agricultural irrigation, municipal water supply, and commercial electricity sales, while non-market values capture unpriced environmental, cultural, and greenhouse gas benefits.

Market Values

Water Supply: Provides regulated freshwater storage for municipal, industrial, and agricultural irrigation across the Southwest.

Hydropower Generation: Produces up to 1,320 megawatts of electricity from its eight generators to serve millions of residential and commercial customers.

System Regulation: Generates flexible peaking capacity that helps stabilize the regional electrical grid during high-demand periods.

Non-Market Values

Ecosystem and Existence Value: Protects downstream riverine habitats, endangered species, and the natural landscape of the Grand Canyon region.

Greenhouse Gas Reductions: Provides non-carbon-emitting energy that studies estimate households are willing to pay extra to preserve over fossil-fuel alternatives.

Cultural and Social Worth: Sustains traditional and spiritual connections for Native American tribes and recreational opportunities for the public.

Quantified Willingness to Pay: Research published via ScienceDirect estimates the net non-market value of continuing current dam operations at roughly $2.15 per year per U.S. household, aggregating to $2.9 billion annually.

Non-Use and Passive-Use Studies

Passive use valuation (also known as non-use valuation) measures the economic value people place on preserving a natural resource—like the Grand Canyon and the Colorado River ecosystem—even if they never plan to visit it. For the Glen Canyon Dam, passive use valuation has played a historically groundbreaking, yet deeply debated, role in determining how water releases are managed to balance hydropower with environmental preservation.

Historical Context & The 1996 Milestone

Historically, passive use value studies for Glen Canyon Dam provided a landmark shift in how the federal government evaluates public natural resources:

The 1995 Welsh Study: During the initial Environmental Impact Statement (EIS) process in the early 1990s, the Bureau of Reclamation commissioned a massive contingent valuation study (Welsh et al., 1995). It asked Americans nationwide about their "willingness to pay" through higher electricity bills to protect Grand Canyon beaches, cultural sites, and native fish.

The Record of Decision (1996): The 1995 Welsh Study revealed that the American public placed an immense passive economic value on a healthy Grand Canyon ecosystem. This data directly informed the landmark 1996 Record of Decision (ROD) signed by Secretary of the Interior Bruce Babbitt. The decision legally shifted dam operations away from maximizing peak hydropower toward a "Modified Low Fluctuating Flow" model to protect downstream habitats.

The Adaptive Management Program (AMP): Formed in 1997, the Glen Canyon Dam Adaptive Management Program was created to continuously balance stakeholder needs, blending economics with ongoing river science.

Evolution: The LTEMP EIS (2016)

As the 1995 study aged, economists and resource managers questioned the "temporal stability" of those public values (whether people still cared as much 20 years later).

The Total Value Study: In preparation for the Long-Term Experimental and Management Plan (LTEMP) EIS, the National Park Service funded an updated passive use valuation study.

Broadening the Scope: Unlike the 1995 study, which focused heavily on downstream riverine impacts, subsequent academic and federal research expanded to measure how the public values the broader basin. This included factoring in the external costs of reducing hydropower, such as regional power grid stability and carbon emissions from alternative energy sources.

Current Efforts & Ongoing Water Crisis

Current efforts in passive use valuation are intensely focused on a landscape altered by severe, multi-decadal drought and historic low reservoir levels.

Socioeconomic Modeling Integration: Agencies like the USGS Grand Canyon Monitoring and Research Center (GCMRC) use advanced bio-physical and socioeconomic models. Instead of relying on standalone surveys, economists now integrate passive use estimations directly into predictive models to see how the public values trade-offs when river flows drop below historic averages.

The Post-2026 Operational Guidelines: With the 2007 Interim Guidelines expiring, the Bureau of Reclamation is actively designing a Supplemental Environmental Impact Statement (SEIS) to rewrite the operating rules for Glen Canyon and Hoover Dams. Passive use valuation forms a core argument for environmental advocates pushing for structural modifications or steady-flow management to save endangered species like the humpback chub.

Addressing the "Minimum Power Pool" Dilemma: Recent scientific and economic reviews assess the ultimate passive use trade-off: the value of avoiding systemic ecological collapse in the Grand Canyon versus the immense economic fallout if Lake Powell falls below its power-generating intakes.


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