scholarly journals Does Attribute Framing in Discrete Choice Experiments Influence Willingness to Pay? Results from a Discrete Choice Experiment in Screening for Colorectal Cancer

2009 ◽  
Vol 12 (2) ◽  
pp. 354-363 ◽  
Author(s):  
Kirsten Howard ◽  
Glenn Salkeld
2020 ◽  
Vol 5 (5) ◽  
pp. e002209 ◽  
Author(s):  
Mahari Yihdego ◽  
Ayanaw Amogne ◽  
Selamawit Desta ◽  
Yoonjoung Choi ◽  
Solomon Shiferaw ◽  
...  

IntroductionBirth registration remains limited in most low and middle-income countries. We investigated which characteristics of birth registration facilities might determine caregivers’ decisions to register children in Ethiopia.MethodsWe conducted a discrete choice experiment in randomly selected households in Addis Ababa and the Southern Nations, Nationalities, and People’s Region. We interviewed caregivers of children 0–5 years old. We asked participants to make eight choices between pairs of hypothetical registration facilities. These facilities were characterised by six attributes selected through a literature review and consultations with local stakeholders. Levels of these attributes were assigned at random using a fractional design. We analysed the choice data using mixed logit models that account for heterogeneity in preferences across respondents. We calculated respondents’ willingness to pay to access registration facilities with specific attributes. We analysed all data separately by place of residence (urban vs rural).ResultsSeven hundred and five respondents made 5614 choices. They exhibited preferences for registration facilities that charged lower fees for birth certificates, that required shorter waiting time to complete procedures and that were located closer to their residence. Respondents preferred registration facilities that were open on weekends, and where they could complete procedures in a single visit. In urban areas, respondents also favoured registration facilities that remained open for extended hours on weekdays, and where the presence of only one of the parents was required for registration. There was significant heterogeneity between respondents in the utility derived from several attributes of registration facilities. Willingness to pay for access to registration facilities with particular attributes was larger in urban than rural areas.ConclusionIn these regions of Ethiopia, changes to the operating schedule of registration facilities and to application procedures might help improve registration rates. Discrete choice experiments can help orient initiatives aimed at improving birth registration.


2021 ◽  
Author(s):  
Verena Struckmann ◽  
Verena Vogt ◽  
Julia Köppen ◽  
Theresa Meier ◽  
Maaike Hoedemakers ◽  
...  

Zusammenfassung Ziel Ziel dieser Studie ist Präferenzen zu erheben, die multimorbide Patienten, pflegende Angehörige, Leistungserbringer, Kostenträger oder politische Entscheidungsträger verschiedenen Endpunkten von integrierten Versorgungsprogrammen (IV-Programmen) in Deutschland beimessen und diese zu vergleichen. Methodik Mit Hilfe eines Discrete Choice Experiments (DCE) wurden die Präferenzen der Befragten für die Endpunkte von zwei IV-Programmen ermittelt. Jedes IV-Programm wurde anhand von Attributen, bzw.Endpunkten präsentiert, die das „Triple Aim“ abbilden. Sie waren in die Endpunkte Wohlbefinden, Erfahrung mit Versorgung und Kosten unterteilt, mit insgesamt acht Attributen und jeweils drei Ausprägungen. Ergebnisse Die Ergebnisse von 676 Fragebögen zeigen, dass die Attribute „Lebensfreude“ und „Kontinuität der Versorgung“ interessengruppenübergreifend die höchsten Bewertungen erhalten. Am geringsten blieben die relativen Bewertungen für alle Interessengruppen bei dem Attribut „Kosten“. Die Präferenzen der Leistungserbringer und pflegenden Angehörigen unterschieden sich am deutlichsten von denen der Patienten. Diese Unterschiede betrafen meist die „körperliche Funktionsfähigkeit“, die von Patienten am höchsten bewertet wurde, die „Personenzentrierung“ und „Kontinuität der Versorgung“, die die höchsten Bewertungen von den Leistungserbringern erhielten. Schlussfolgerung Die identifizierten Präferenzheterogenitäten in Bezug auf die Endpunkte von IV-Programmen zwischen den Interessengruppen verdeutlichen, wie wichtig es für eine optimale Ausgestaltung von IV-Programmen ist, Vertreter der Praxis und politische Entscheidungsträger über die unterschiedlichen Perspektiven zu informieren. Die Ergebnisse unterstreichen zudem die Relevanz von gemeinsamen Entscheidungsfindungs- und Abstimmungsprozessen zwischen Leistungserbringern, pflegenden Angehörigen und Patienten.


2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Tim M. Benning ◽  
Benedict G. C. Dellaert ◽  
Theo A. Arentze

Abstract Background Goals play an important role in the choices that individuals make. Yet, there is no clear approach of how to incorporate goals in discrete choice experiments. In this paper, we present such an approach and illustrate it in the context of lifestyle programs. Furthermore, we investigate how non-health vs. health goals affect individuals’ choices via non-goal attributes. Methods We used an unlabeled discrete choice experiment about lifestyle programs based on two experimental conditions in which either a non-health goal (i.e., looking better) or a health goal (i.e., increasing life expectancy) was presented to respondents as a fixed attribute level for the goal attribute. Respondents were randomly distributed over the experimental conditions. Eventually, we used data from 407 Dutch adults who reported to be overweight (n = 212 for the non-health goal, and n = 195 for the health goal). Results Random parameter logit model estimates show that the type of goal significantly (p < 0.05) moderates the effect that the attribute diet has on lifestyle program choice, but that this is not the case for the attributes exercise per week and expected weight loss. Conclusions A flexible diet is more important for individuals with a non-health goal than for individuals with a health goal. Therefore, we advise policy makers to use information on goal interactions for developing new policies and communication strategies to target population segments that have different goals. Furthermore, we recommend researchers to consider the impact of goals when designing discrete choice experiments.


2018 ◽  
Vol 10 (8) ◽  
pp. 2795 ◽  
Author(s):  
Biancamaria Torquati ◽  
Tiziano Tempesta ◽  
Daniel Vecchiato ◽  
Sonia Venanzi

This study aims to contribute to the existing literature by verifying whether the degree of liking of a new food product influences people’s preferences and willingness to pay from a discrete choice experiment when dealing with sustainable food products. To this purpose, we considered the case study of the introduction into the Italian market of a new food product: tinned Chianina meat. Among the attributes considered for this new product, two in particular were related to sustainability: organic breeding and the preservation of a traditional rural landscape. Half of the respondents underwent a sensory test before taking part in the hypothetical market (discrete choice experiment), while the remaining were administered the tests in reverse order. Tasting the product before the discrete choice experiment did not produce different willingness to pay (WTP) parameters as estimated by a taste factor interaction. However, separating the respondents into those who liked or disliked the product in the tasting condition revealed differences in willingness to pay results. The preferences are different for more than 50% of the attributes considered, and the magnitude of this difference is quite relevant. The WTP for one well known and certified sustainability related attribute—organic breeding—was not affected by the liking, while, for the other—the preservation of a traditional rural landscape—the effect of liking decreases the WTP. As a consequence, we suggest that tasting and liking studies should be routinely coupled with discrete choice studies when analyzing the introduction of new food products, especially when considering sustainable attributes in the experimental design. In the case of organic products where the expectations about taste are higher, neglecting to consider their sensory perception, along with the other discrete choice experiment attributes, could seriously undermine their long lasting success on the market.


2019 ◽  
Vol 47 (3) ◽  
pp. 1133-1172
Author(s):  
Nathan P Kemper ◽  
Jennie S Popp ◽  
Rodolfo M Nayga

Abstract One limitation of stated-preference methods is the formation of hypothetical bias. To address this, the honesty oath has been used as an ex ante technique to reduce hypothetical bias. Our study provides a query account of the honesty oath in a discrete-choice experiment setting by using Query Theory to examine the mechanism behind the effectiveness of the honesty oath. Our results show that the honesty oath can change the content and order of queries; potentially reducing hypothetical bias in discrete choice experiments. The study suggests the potential usefulness of Query Theory in examining thought processes of respondents in valuation studies.


2019 ◽  
Vol 11 (23) ◽  
pp. 6742 ◽  
Author(s):  
Tiziano Tempesta ◽  
Daniel Vecchiato ◽  
Federico Nassivera ◽  
Maria Bugatti ◽  
Biancamaria Torquati

This paper analyses the demand for social farming (SF) products. In particular, we investigate the preferences of consumers who buy their products from large retailers, rather than from solidarity purchasing groups or other niche markets using a sample of 225 consumers. In this regard, a discrete choice experiment (DCE) was carried out to estimate the willingness to pay (WTP) a premium price for the purchase of a common product (i.e., eggs) from farms that employ disabled people. The attributes considered in our DCE design are the employment of disabled people and two additional attributes which may have ethical implications for the choices. The results indicate that consumers are interested in buying SF products, with about 74% of the sample willing to buy the eggs produced by social farms and the average WTP being equal to €1.36 for a pack of six eggs. Moreover, the average WTP for the use of labour of disabled people attribute amounted to €0.69 for a pack of six eggs.


Nutrients ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 2677
Author(s):  
Anastasios Bastounis ◽  
John Buckell ◽  
Jamie Hartmann-Boyce ◽  
Brian Cook ◽  
Sarah King ◽  
...  

Food production is a major contributor to environmental damage. More environmentally sustainable foods could incur higher costs for consumers. In this review, we explore whether consumers are willing to pay (WTP) more for foods with environmental sustainability labels (‘ecolabels’). Six electronic databases were searched for experiments on consumers’ willingness to pay for ecolabelled food. Monetary values were converted to Purchasing Power Parity dollars and adjusted for country-specific inflation. Studies were meta-analysed and effect sizes with confidence intervals were calculated for the whole sample and for pre-specified subgroups defined as meat-dairy, seafood, and fruits-vegetables-nuts. Meta-regressions tested the role of label attributes and demographic characteristics on participants’ WTP. Forty-three discrete choice experiments (DCEs) with 41,777 participants were eligible for inclusion. Thirty-five DCEs (n = 35,725) had usable data for the meta-analysis. Participants were willing to pay a premium of 3.79 PPP$/kg (95%CI 2.7, 4.89, p ≤ 0.001) for ecolabelled foods. WTP was higher for organic labels compared to other labels. Women and people with lower levels of education expressed higher WTP. Ecolabels may increase consumers’ willingness to pay more for environmentally sustainable products and could be part of a strategy to encourage a transition to more sustainable diets.


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