Search results for "Discrete choice experiment"
showing 8 items of 8 documents
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…
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…
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…
Incitations à l’offre de prévention et préférences en médecine générale : l’apport de la méthode DCE
2012
L’objectif de cet article est de contribuer à la compréhension des préférences des médecins pour différents dispositifs, financiers ou non, susceptibles d’être implantés en France afin de favoriser la prévention en médecine de ville. La méthode du Discrete Choice Experiment (DCE) est mobilisée à travers une enquête menée auprès de 1 396 médecins qui permet d’analyser 3 390 observations. L’estimation économétrique de la fonction d’utilité des médecins est conduite dans le cadre d’un modèle Logit conditionnel, des dispositions à payer marginales sont également calculées. Nos résultats montrent que, si l’aspect financier est important dans les préférences des médecins, les aspects non financie…
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 …
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…
Patient Preferences for Lung Cancer Treatments: A Study Protocol for a Preference Survey Using Discrete Choice Experiment and Swing Weighting
2021
Background: Advanced treatment options for non-small cell lung cancer (NSCLC) consist of immunotherapy, chemotherapy, or a combination of both. Decisions surrounding NSCLC can be considered as preference-sensitive because multiple treatments exist that vary in terms of mode of administration, treatment schedules, and benefit–risk profiles. As part of the IMI PREFER project, we developed a protocol for an online preference survey for NSCLC patients exploring differences in preferences according to patient characteristics (preference heterogeneity). Moreover, this study will evaluate and compare the use of two different preference elicitation methods, the discrete choice experiment (DCE) and …