Mechanisms to capture economic values of marine biodiversity: The case of Tubbataha Reefs UNESCO World Heritage Site, Philippines

Subade, Rodelio F.

doi:10.1016/j.marpol.2006.05.012

Cited by 49 publications

(16 citation statements)

References 4 publications

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“…These are serious threats to CV-PES results (Whittington, 2010). However, CV researchers have developed several ways to reduce this yea-saying tendency, including (i) cheap-talk scripts (Cummings and Taylor, 1999;List, 2001;Carlsson and others, 2005), (ii) ballot boxes to simulate voting behavior (Carson and others, 1994;Krosnick and others, 2002;Harrison, 2006), (iii) recalibration of results with data from real experiments (Blackburn and others, 1994), (iv) time-to-think (TTT) experiments (Whittington and others, 1992), and (v) drop-off protocols (Subade, 2007). Using any of these methods to reduce the risk of hypothetical bias is an important indicator of the quality of a CV-PES.…”

Section: Using Methods To Reduce Hypothetical Biasmentioning

confidence: 99%

Using Contingent Valuation in the Design of Payments for Environmental Services Mechanisms: A Review and Assessment

Whittington¹,

Pagiola²

2012

The World Bank Research Observer

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Section: Using Methods To Reduce Hypothetical Biasmentioning

confidence: 99%

Using Contingent Valuation in the Design of Payments for Environmental Services Mechanisms: A Review and Assessment

Whittington¹,

Pagiola²

2012

The World Bank Research Observer

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“…The second line of research is the use of a "drop-off" protocol (Subade 2007, Labao et al 2008, Nabangchang 2008. In a study valuing reef protection in the Philippines, Subade (2007) …”

Section: Literaturementioning

confidence: 99%

Giving Stated Preference Respondents “Time to Think”: Results From Four Countries

Cook

Jeuland

Maskery

et al. 2011

Environ Resource Econ

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Previous studies have found that contingent valuation (CV) respondents who are given overnight to reflect on a CV scenario have 30 -40% lower average willingness-to-pay (WTP) than respondents who are interviewed in a single session. This "time to think" (TTT) effect could explain much of the gap between real and hypothetical WTP observed in experimental studies. Yet giving time to think is still rare in binary or multinomial discrete choice studies. We review the literature on increasing survey respondents' opportunities to reflect on their answers and synthesize results from parallel TTT studies on private vaccine demand in four countries. Across all four countries, we find robust and consistent evidence from both raw data and multivariate models for a TTT effect: giving respondents overnight to think reduced the probability that a respondent said he or she would buy the hypothetical vaccines. Average WTP fell approximately 40%. Respondents with time to think were also more certain of their answers, and a majority said they used the opportunity to consult with their spouse or family. We conclude with a discussion of why researchers might be hesitant to adopt the TTT methodology.

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“…Economic valuation can be defined as a methodology to assign quantitative values to natural resources, whether or not a market exists for the good (Subade 2007). By converting the multiple benefits of biodiversity to a single metric, economic valuation translates the complexity of ecosystems into terms that decision makers and the general public can easily understand (Carpenter et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Towards an ecosystem approach for understanding public values concerning marine biodiversity loss

Ressurreição

Zarzycki

Kaiser

et al. 2012

Mar. Ecol. Prog. Ser.

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Recent European legislation requires the adoption of an ecosystem-based approach for managing marine systems in which societal values and good science contribute to attainment of 'good environmental status' for Europe's seas by 2020. At present, there is a lack of studies that consider public values for marine biodiversity changes taking into account the cultural diversity within Europe. We used a contingent valuation survey to explore respondents' marginal willingness to pay (WTP) and motivations to prevent 3 levels of species loss (10, 25 and 50%) as compared to current levels for fish and all marine species. The survey was undertaken in 2 sites: the Azores islands (NE Atlantic) and the Gulf of Gdansk (Baltic Sea). Results, based on 747 interviews, showed that motivations underlying WTP for marine species conservation encompassed primarily bequest values and direct use values. Respondents from different locations differed in their attitudes and values towards marine biodiversity conservation. Scope tests revealed significant differences in WTP for different levels of species loss; however the magnitudes of the scope sensitivity were constrained by a lack of awareness about the consequences of biodiversity changes and the welfare tradeoffs involved. This result highlights the need for the scientific community to better communicate knowledge about the link between biodiversity changes and human wellbeing and to embrace a fuller dialogue between policymakers and the public. A successful ecosystem based approach must accommodate the diversity of preferences and hence may need to be adapted to reflect regional diversity within Europe.

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Mechanisms to capture economic values of marine biodiversity: The case of Tubbataha Reefs UNESCO World Heritage Site, Philippines

Cited by 49 publications

References 4 publications

Using Contingent Valuation in the Design of Payments for Environmental Services Mechanisms: A Review and Assessment

Using Contingent Valuation in the Design of Payments for Environmental Services Mechanisms: A Review and Assessment

Giving Stated Preference Respondents “Time to Think”: Results From Four Countries

Towards an ecosystem approach for understanding public values concerning marine biodiversity loss

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