نتایج جستجو برای: scarcity of sources

تعداد نتایج: 21176033  

2012
Larbi Alaoui Fabrizio Germano

We develop a theory of news coverage in environments of information abundance. News consumers are time-constrained and browse through news items that are available across competing outlets, choosing which ones to read or skip. Media firms are aware of consumers’ preferences and constraints, and decide on rankings of news items that maximize their profits. We find that, even when readers and out...

Journal: :Research in Economics and Management 2017

Journal: :Proceedings of the National Academy of Sciences 2014

Journal: :Applied Studies in Agribusiness and Commerce 2012

Journal: :محیط شناسی 0
مهرنوش بختیاری فر کارشناس ارشد gis دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیر الدین طوسی محمد سعدی مسگری استادیار گروه مهندسی gis، دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی محمد کریمی دانشجوی دکترای gis، دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیرالدین طوسی ابوالقاسم چهرقانی کارشناس ارشد gis دانشکدة مهندسی نقشه برداری، دانشگاه صنعتی خواجه نصیر الدین طوسی

in recent decades, as a result of population growth, industrial developments, scarcity of sources, etc. more attention has been paid to spatial planning. spatial planning needs the consideration of different goals, scenarios, criterions and constraints, which leads us to the usage of spatial multi-criteria decision analysis (mcda) methods. the mail goal of this research is to develop a novel mo...

2017
Ingrid Laukeland Djupegot Camilla Bengtson Nenseth Elling Bere Helga Birgit Torgeirsdotter Bjørnarå Sissel Heidi Helland Nina Cecilie Øverby Monica Klungland Torstveit Tonje Holte Stea

BACKGROUND Use of ultra-processed foods has expanded rapidly over the last decades and high consumption has been positively associated with risk of e.g. overweight, obesity and type 2 diabetes. Ultra-processed foods offer convenience as they require minimal time for preparation. It is therefore reasonable to assume that such foods are consumed more often among people who experience time scarcit...

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