scholarly journals Are non-monetary payment modes more uncertain for stated preference elicitation in developing countries?

2019 ◽  
Vol 30 ◽  
pp. 73-87 ◽  
Author(s):  
Godwin K. Vondolia ◽  
Ståle Navrud
Keyword(s):  
Developing Countries ◽  
Stated Preference ◽  
Preference Elicitation

Investigating demand for biofortified seeds in developing countries

2015 ◽  
Vol 5 (1) ◽  
pp. 24-43 ◽  
Author(s):  
Ekin Birol ◽  
Dorene Asare-Marfo ◽  
Bhushana Karandikar ◽  
Devesh Roy ◽  
Michael Tedla Diressie
Keyword(s):  
Developing Countries ◽  
Pearl Millet ◽  
Choice Experiment ◽  
Latent Class ◽  
Stated Preference ◽  
Significant Heterogeneity ◽  
Content Type ◽  
High Iron ◽  
First Choice ◽  
Experiment Method

Purpose – The purpose of this paper is to explore farmer acceptance of a biofortified staple food crop in a developing country prior to its commercialization. The paper focuses on the hypothetical introduction of a high-iron pearl millet variety in Maharashtra, India, where pearl millet is among the most important staple crops. Design/methodology/approach – A choice experiment is used to investigate farmer preferences for and trade-offs among various production and consumption attributes of pearl millet. The key pearl millet attributes studied include days it takes pearl millet to mature, color of the roti (flat bread) the grain produces, the presence of high-iron content (nutritional attribute), and the price of the pearl millet seed. Choice data come from 630 pearl millet-producing households from three purposefully selected districts of Maharashtra. A latent class model is used to investigate the heterogeneity in farmers’ preferences for pearl millet attributes and to profile farmers who are more or less likely to choose high-iron varieties of pearl millet. Findings – The results reveal that there are three distinct segments in the sample, and there is significant heterogeneity in farmer preferences across these segments. High-iron pearl millet is valued the most by larger households that produce mainly for household consumption and currently have lower quality diets. Households that mainly produce for market sales, on the other hand, derive lower benefits from consumption characteristics such as color and nutrition. Research limitations/implications – The main limitation of the study is that it uses a stated preference choice experiment method, which suffers from hypothetical bias. At the time of implementing this study biofortified high-iron pearl millet varieties were not yet developed, therefore the authors could not have implemented revealed preference elicitation methods with real products and payment. Originality/value – The method used (stated preference choice experiment method) is commonly used to value non-market goods such as environmental goods and products that are not yet in the market. It’s application to agriculture and in developing countries is increasing. As far as the authors know this is the first choice experiment implemented to investigate farmer/consumer preferences for biofortified crops. The study presents valuable information for development and delivery of biofortified crops for reducing micronutrient deficiencies.

scholarly journals Foundations of Stated Preference Elicitation: Consumer Behavior and Choice-based Conjoint Analysis

2019 ◽  
Vol 10 (1-2) ◽  
pp. 1-144 ◽  
Author(s):  
Moshe Ben-Akiva ◽  
Daniel McFadden ◽  
Kenneth Train
Keyword(s):  
Consumer Behavior ◽  
Conjoint Analysis ◽  
Stated Preference ◽  
Preference Elicitation

A penny for your thoughts: Inducing truth-telling in stated preference elicitation

2010 ◽  
Vol 106 (2) ◽  
pp. 140-142 ◽  
Author(s):  
Lint Barrage ◽  
Min Sok Lee
Keyword(s):  
Stated Preference ◽  
Preference Elicitation ◽  
Truth Telling

scholarly journals Behavioral Anomalies in Contingent Values and Actual Choices

2016 ◽  
Vol 45 (2) ◽  
pp. 246-269 ◽  
Author(s):  
Gregory L. Poe
Keyword(s):  
Contingent Valuation ◽  
Stated Preference ◽  
Contingent Valuation Method ◽  
Preference Elicitation ◽  
Stated Preferences ◽  
Stated Preference Methods ◽  
Elicitation Methods ◽  
Valuation Method ◽  
Growing Body

A growing body of literature demonstrates that many behavioral anomalies observed in stated-preference elicitation methods such as the contingent valuation method are also observed in actual choices and vice versa. This presentation furthers the argument that such parallel behaviors should be viewed as a strength of stated-preference methods. Three well-known anomalies observed in both stated preferences and actual choices are first reviewed to lay the foundation for this argument. A number of lesser-known anomalies are then presented to demonstrate the wider prevalence of parallel anomalies in stated preferences and actual choices.

scholarly journals A Common Nomenclature for Stated Preference Elicitation Approaches

2011 ◽  
Vol 49 (4) ◽  
pp. 539-559 ◽  
Author(s):  
Richard T. Carson ◽  
Jordan J. Louviere
Keyword(s):  
Stated Preference ◽  
Preference Elicitation

scholarly journals Quality-adjusted life year weights and treatment bias: Theory and evidence from cognitive interviews

2019 ◽  
Vol 7 ◽  
pp. 205031211985698 ◽  
Author(s):  
Bryan N Patenaude ◽  
Till Bärnighausen
Keyword(s):  
Standard Gamble ◽  
Stated Preference ◽  
Preference Elicitation ◽  
Quality Adjusted Life Year ◽  
Health State ◽  
Cognitive Interviews ◽  
Thought Processes ◽  
Health States ◽  
Treatment Bias ◽  
Quality Adjusted Life

Objectives: The purpose of this research is to understand the thought processes that underpin responses to stated preference approaches for eliciting quality of life, in particular the standard gamble. Methods: We utilize standard gamble preference elicitation survey techniques to elicit quality-adjusted life year weights for two reduced health states: chronic severe depression and total blindness. After the survey, we conduct open-ended qualitative interviews with respondents to determine their thought processes while taking the surveys and to shed light on what their quality-adjusted life year weight is capturing. Survey responses were coded and analyzed for themes in NVivo, the results of which were then formalized in the terminology of decision sciences. Results: The qualitative results of the cognitive interviews present systematic evidence for a type of cognitive bias present in standard gamble quality-adjusted life year weight elicitation, which has not been previously highlighted and which we call treatment bias. We define this treatment bias as the consideration of salient treatment alternatives correlated with a reduced health state, when these alternatives are not explicitly posed in the question. Our formalization of this cognitive behavior demonstrates that treatment bias will always bias the elicited health state utility of treating the illness in question downward. Conclusion: The treatment bias highlighted in this study has implications for economic evaluation when comparing treatment for illnesses where alternative treatments are widely publicized versus those that are not. For example, comparing the effectiveness of treating depression versus arthritis may be biased against depression if advertisements for anti-depressants are more widely viewed by survey respondents than advertisements for arthritis treatments. We propose a statement to be imbedded in all questionnaires regarding stated preference elicitation of quality-adjusted life year weights in order to correct for this bias in future stated preference surveys.

scholarly journals Estimating Benefits of Nature-based Solutions: Diverging Values From Choice Experiments With Time or Money Payments

2021 ◽  
Vol 9 ◽  
Author(s):  
Liselotte C. Hagedoorn ◽  
Mark J. Koetse ◽  
Pieter J. H. van Beukering
Keyword(s):  
Developing Countries ◽  
Market Integration ◽  
Stated Preference ◽  
Choice Experiments ◽  
Urban Site ◽  
Accurate Estimation ◽  
Rural Ghana ◽  
Conversion Rates ◽  
Different Levels ◽  
Erosion Prevention

Nature-based solutions (NBS) provide a promising means to a climate resilient future. To guide investments in NBS, stated preference studies have become a common tool to evaluate the benefits of NBS in developing countries. Due to subsistence lifestyles and generally lower incomes, SP studies in developing countries increasingly use time payments as an alternative to the traditionally implemented money payments. It remains unclear, however, how time values should be converted into money values, how the payment affects willingness to pay (WTP) estimates, and how this influence varies across settings with different levels of market integration. We compare the results of choice experiments that use either time or money payments and that are implemented in urban and rural Ghana. The choice experiments target to value different NBS aimed at erosion prevention and other ecosystem service benefits along the highly erosion prone Ghanaian coastline. Time payments are converted into monetary units using two generic wage-based conversion rates and one novel individual-specific non-wage-based conversion rate. We find higher WTP estimates for the time payments. Moreover, we find that the underlying implicit assumptions related to the currently commonly applied generic wage-based conversion rates do not hold. Finally, we find higher levels of market integration and smaller WTP disparities in the urban site, providing evidence that market integration allows for convergence of WTP estimates. These results provide guidance on the accurate estimation of NBS benefits through the implementation of stated preference studies with time payments.

scholarly journals Eliciting Preferences in Dentistry with Multiattribute Stated Preference Methods: A Systematic Review

2018 ◽  
Vol 3 (4) ◽  
pp. 326-335 ◽  
Author(s):  
S. Barber ◽  
S. Pavitt ◽  
B. Khambay ◽  
H. Bekker ◽  
D. Meads
Keyword(s):  
Decision Making ◽  
Oral Health ◽  
Service Delivery ◽  
Stated Preference ◽  
Preference Elicitation ◽  
Health States ◽  
Stated Preference Methods ◽  
The Public ◽  
Elicitation Methods ◽  
Stated Preference Experiments

Background: Preference experiments are used to understand how patients and stakeholders value aspects of health care. These methods are gaining popularity in dentistry, but quality and breadth of use have not been evaluated. Objectives: To describe multiattribute stated preference experiment use in dentistry through illustration and critique of existing studies. Data Sources: Systematic literature search of PubMed, Econlit and Ovid for Medline, Embase, PsychINFO, PsychARTICLES, and All EBM Reviews, as well as gray literature. Study Eligibility: Multiattribute stated preference experiments eliciting preferences for dental service delivery, treatments, and oral health states from the perspective of patients, the public, and dental professionals. Outcomes of interest were preference weights and marginal rates of substitution. Study selection was independently performed by 2 reviewers. Appraisal: Ten-point checklist published by the International Society of Pharmacoeconomics and Outcomes Research was used for quality assessment. Synthesis: Descriptive analysis. Results: Searches identified 12 records published between 1999 and 2015, mostly in nondental academic journals. Studies were undertaken in high-income countries in Europe and the United States. The studies aimed to elicit preference for service delivery, treatment, or oral health states from the perspective of the patients, dentists, or the public via discrete choice experiment methods. The quality scores for the studies ranged from 53% to 100%. Limitations: A detailed description and critique of stated preference methods are provided, but it was not possible to provide synthesized preference data. Conclusions: Multiattribute stated preference experiments are increasingly popular, but understanding the methods and outputs is essential for designing and interpreting preference studies to improve patient care. Patient preferences highlight important considerations for decision making during treatment planning. Valuation of health states and estimation of willingness-to-pay are important for resource planning and allocation and economic evaluation. Preference estimates and relative value of attributes for interventions and service delivery inform development and selection of treatments and services (PROSPERO 21.3.17: CRD42017059859). Knowledge Transfer Statement: Understanding patient, professional, and public preferences is fundamental for evidence-based decision making and treatment delivery. Preference elicitation methods can be used to estimate the value given to health states, service delivery, individual treatments, and health outcomes. By describing and appraising the methodology and application of multiattribute stated preference experiments in dentistry, this review provides an essential first step to wider use of well-designed, high-quality preference elicitation methods.

scholarly journals Public Preferences of Shared Autonomous Vehicles in Developing Countries: A Cross-National Study of Pakistan and China

2021 ◽  
Vol 2021 ◽  
pp. 1-19
Author(s):  
Zhong Wang ◽  
Muhammad Safdar ◽  
Shaopeng Zhong ◽  
Jianrong Liu ◽  
Feng Xiao
Keyword(s):  
Developing Countries ◽  
Public Transportation ◽  
Logit Model ◽  
Autonomous Vehicles ◽  
Stated Preference ◽  
Multinomial Logit Model ◽  
Multinomial Logit ◽  
Alternative Form ◽  
National Study ◽  
Public Preferences

Shared autonomous vehicles (SAVs) are rapidly emerging as a viable alternative form of public transportation with the potential to provide adequate and user-friendly, on-demand services without having vehicle ownership. It has been argued that SAVs could revolutionize transportation systems and our current way of life. Although SAVs are likely to be introduced in developed countries first, there is little doubt that they would also have a significant effect and enormous market in developing nations. This study aimed to investigate the factors that influence public acceptance of SAVs, as well as the current public attitude toward SAVs, in two developing countries, namely, Pakistan and China. A stated preference survey was conducted to understand respondents’ travel patterns, preferences, and sociodemographic data. A total of 910 valid responses were gathered: 551 from Lahore, Pakistan, and 359 from Dalian, China. A multinomial logit model and a mixed multinomial logit model with panel effect were used for data analysis. The results suggested that generic attributes, such as respondents’ waiting time, travel time, and travel cost were found to be significant in both cities. The results indicate that sociodemographic characteristics, such as education, income, travel frequency in a week, and people who had driver’s licenses, are significantly correlated with respondents’ interest in using SAV in Lahore. The results also showed that people who had a private car indicated a greater interest in SAVs in Dalian. The study provides a new perspective to understand the public preferences toward SAVs in developing countries with different economies and cultures, as well as a benchmark for policymakers to make effective policies for the future implementation of SAVs.

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