Search results for "choice experiment"

A discrete-choice experiment to assess patients’ preferences for osteoarthritis treatment: An ESCEO working group

2020

Objective: To evaluate the preferences of patients with osteoarthritis for treatment.Methods: A discrete-choice experiment was conducted among adult OA patients who were presented with 12 choice sets of two treatment options and asked in each to select the treatment they would prefer. Based on literature reviews, expert consultation, patient survey and expert meeting, treatment options were characterized by seven attributes: improvement in pain, improvement in walking, ability to manage domestic activities, ability to manage social activities, improvement in overall energy and well-being, risk of moderate/severe side effects and impact on disease progression. Random parameters logit model w…

Modelling mode choice for freight transport using advanced choice experiments

2015

Abstract In this paper we use advanced choice modelling techniques to analyse demand for freight transport in a context of modal choice. To this end, a stated preference (SP) survey was conducted in order to estimate freight shipper preferences for the main attributes that define the service offered by the different transport modes. From a methodological point of view, we focus on two critical issues in the construction of efficient choice experiments. Firstly, in obtaining good quality prior information about the parameters; and secondly, in the improved quality of the experimental data by tailoring a specific efficient design for every respondent in the sample. With these data, different …

Young people' s willingness to pay for environmental protection

2021

Abstract The cost of the ongoing degradation of natural capital will inevitably be borne by the younger generations. And, as the wave of school strikes for action against climate change have proved, they do not want their voice to be ignored. Discrete Choice Experiments are increasingly used for the valuation of environmental goods, but they have never been conducted with minors. We designed and administered such an experiment to elicit the willingness of children and teenagers, aged 8–19, to pay for environmental projects. The results suggest that their marginal willingness to pay is higher for projects in their own country (Italy) and that the utility of environmental protection is greate…

Maximin Model Robust Discrete Choice Experiments

2013

Discrete choice experiments have their genesis in conjoint analysis, which was based on first-order models. For this and other reasons, discrete choice experiments in practice are usually designed for estimation of main effects. In this paper, we explore the construction of maximin model robust designs when the experimenter is concerned about the presence of interactions. We consider three classes of models—main effects models, main effects models plus first-order interactions, and secondorder models, and we construct designs that maximize the minimum efficiency of the design for the three competing models. We do so first with standard linear models and then extend our analysis to nonlinear…

Enhanced multinomial logit model for the analysis of choice experiments

2012

A sector of conjoint analysis (experimental design in marketing research) is made of the so called choice experiments. In choice experiments respondents undergo a questionnaire which is nowadays mostly submitted through the internet. The questionnaire proposes to the respondent a sequence of choice sets each one including two or more profiles, being a profile a specific combination of attribute levels. The respondent selects the preferred profile for each choice set. Responses given by a sample of respondents are analysed through suitable methods aimed to eventually find the best combination of attribute levels. One method of analysis adopts the Multinomial Logit (MLN) model. In this articl…

Heterogeneity in general practitioners’ preferences for quality improvement programs: a choice experiment and policy simulation in France

2016

International audience; Despite increasing popularity, quality improvement programs (QIP) have had modest and variable impacts on enhancing the quality of physician practice. We investigate the heterogeneity of physicians’ preferences as a potential explanation of these mixed results in France, where the national voluntary QIP – the CAPI – has been cancelled due to its unpopularity. We rely on a discrete choice experiment to elicit heterogeneity in physicians’ preferences for the financial and non-financial components of QIP. Using mixed and latent class logit models, results show that the two models should be used in concert to shed light on different aspects of the heterogeneity in prefer…

Apports des mesures de consentement à payer dans l’étude de l’acceptabilité de produits alimentaires bénéficiant d’informations nutritionnelles

2010

Used in a laboratory or survey setting, the declarative methods are very widely used to estimate the consumers preferences. The experimental economic incentive methods allows to make up for hypothetical bias which can affect purely declarative methods. This work sets out several experiments based on methodological comparisons allowing to test the inter-methods validity and to begin external measure validity question. In line with literature previous works, this work allows to highlight assets and limits of the non-hypothetical measures (BDM mechanism and real choice experiment), first one relative to another, second relative to hedonic measures. Two major results were obtained. First, the B…

Are decisions in a real choice experiment consistent with reservation prices elicited with BDM 'auction'? The case of French baguettes

2014

Abstract The aim of this study was to compare consumer choices observed in a real choice experiment and their reservation prices elicited with the BDM mechanism in order to assess the rationality of participant behaviors. One hundred and seventy-seven participants tested four French baguettes in each task. For the real choice experiment, participants were faced with 17 scenarios (17 × 4 baguette-price combinations). In each method, participants could select a “no purchase” option. Comparing choices and reservation prices made it possible to assess the rationality of participant behaviors. From a strict economic standpoint, 50% of observed choices were fully rational. When one baguette was a…

Design and analysis of discrete choice experiments for models with response time

2013

Evaluating consumers' willingness to buy environmentally friendly wines: A store experiment

2014

poster + communication courte confidentiels; The French program Ecophyto 2018 aims at achieving a 50% reduction in pesticide use by 2018. The vine-growing sector being the second largest user of pesticides in France, there is a strong need for French vine-growers to engage in more environmentally sustainable practices. However, they will do so if they are sure that consumers are ready to buy environmentally friendly wines. Thus, the two main objectives of this study were to identify consumers' willingness to buy environmentally friendly wines and to estimate the impact of an information campaign. 220 wine consumers participated in the study. Each consumer came twice, at a 3-week interval, i…