نتایج جستجو برای: choice experiment

تعداد نتایج: 630482  

Journal: :International Journal of Mathematics and Mathematical Sciences 2018

Journal: :Review of Agricultural, Food and Environmental Studies 2016

2000
Rocio Guillén Randal Erman

Pronunciation variation is extremely widespread and one of the reasons for recognition errors. In this paper we explore how similar-recognized-words can be used to construct or expand more accurate grammars in a specific domain. The domain that serves as framework for this research is the assessment of depression. Assessment of depression is done via a system that verbally administers a discret...

2006
Marika Neumann

In this paper we introduce the fare planning problem for public transport which consists in designing a system of fares maximizing revenue. We propose a new simple general model for this problem. It is based on a demand function and constraints for the different fares. The constraints define the structure of the fare system, e.g., distance dependent fares or zone fares. We discuss a simple exam...

2013
Pat Hoddinott Heather Morgan Gill Thomson Nicola Crossland Leone Craig Jane Britten Shelley Farrar Rumana Newlands Kirsty Kiezebrink Joanne Coyle

Background In trial design, decisions are made about which intervention components/processes to standardise and which remain flexible to maximise utility and/or effectiveness. The intervention-context-system fit for complex interventions impacts on trial recruitment, delivery and outcomes. Survey vignettes and discrete choice experiments are quantitative researcher led approaches which focus on...

Journal: :journal of agricultural science and technology 2014
f. borji h. rahmani p. schausberger

repeatability, (the consistency with which a given trait is expressed) of aggressiveness against prey (attack latency) in gravid females of the predatory mite neoseiulus californicus (mcgregor) was examined. in two experiments, prey - conspecific individuals, the onion thrips thrips tabaci (lindeman), and the two-spotted spider mite tetranychus urticae koch- were repeatedly offered in various n...

Journal: :تحقیقات اقتصادی 0
نصرت الله عباس زاده دکتری اقتصاد دانشگاه تهران مجید احمدیان استاد دانشکدة اقتصاد دانشگاه تهران فرهاد رهبر دانشیار دانشکدة اقتصاد دانشگاه تهران حمید ابریشمی استاد دانشکدة اقتصاد دانشگاه تهران

using a choice experiment survey, the marginal willingness to pay (wtp) among iranian households to avoid power outages is estimated. the results indicate that households prefer lower price of alternatives and the low duration and frequency of outages, and the factors of outage day, outage time and warning in advance of outage are important to households' preferences. moreover, the conditi...

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