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Behavioral economics

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https://www.readbyqxmd.com/read/29349243/women-s-television-watching-and-reproductive-health-behavior-in-bangladesh
#1
Mizanur Rahman, Siân L Curtis, Nitai Chakraborty, Kanta Jamil
Bangladesh has made significant social, economic, and health progress in recent decades, yet many reproductive health indicators remain weak. Access to television (TV) is increasing rapidly and provides a potential mechanism for influencing health behavior. We present a conceptual framework for the influence of different types of TV exposure on individual's aspirations and health behavior through the mechanisms of observational learning and ideational change. We analyze data from two large national surveys conducted in 2010 and 2011 to examine the association between women's TV watching and five reproductive health behaviors controlling for the effects of observed confounders...
December 2017: SSM—Population Health
https://www.readbyqxmd.com/read/29347332/linear-and-nonlinear-market-correlations-characterizing-financial-crises-and-portfolio-optimization
#2
Alexander Haluszczynski, Ingo Laut, Heike Modest, Christoph Räth
Pearson correlation and mutual information-based complex networks of the day-to-day returns of U.S. S&P500 stocks between 1985 and 2015 have been constructed to investigate the mutual dependencies of the stocks and their nature. We show that both networks detect qualitative differences especially during (recent) turbulent market periods, thus indicating strongly fluctuating interconnections between the stocks of different companies in changing economic environments. A measure for the strength of nonlinear dependencies is derived using surrogate data and leads to interesting observations during periods of financial market crises...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347009/evolutionary-stability-concepts-in-a-stochastic-environment
#3
Xiu-Deng Zheng, Cong Li, Sabin Lessard, Yi Tao
Over the past 30 years, evolutionary game theory and the concept of an evolutionarily stable strategy have been not only extensively developed and successfully applied to explain the evolution of animal behaviors, but also widely used in economics and social sciences. Nonetheless, the stochastic dynamical properties of evolutionary games in randomly fluctuating environments are still unclear. In this study, we investigate conditions for stochastic local stability of fixation states and constant interior equilibria in a two-phenotype model with random payoffs following pairwise interactions...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29345848/economic-evaluation-of-cognitive-behavioral-therapy-and-internet-based-guided-self-help-for-binge-eating-disorder
#4
Hans-Helmut König, Florian Bleibler, Hans-Christoph Friederich, Stephan Herpertz, Tony Lam, Andreas Mayr, Frauke Schmidt, Jennifer Svaldi, Stephan Zipfel, Christian Brettschneider, Anja Hilbert, Martina de Zwaan, Nina Egger
OBJECTIVE: To determine the cost-effectiveness of individual face-to-face cognitive behavioral therapy (CBT) compared to therapist guided Internet-based self-help (GSH-I) in overweight or obese adults with binge-eating disorder (BED). METHOD: Analysis was conducted alongside the multicenter randomized controlled INTERBED trial. CBT (n = 76) consisted of up to 20 individual therapy sessions over 4 months. GSH-I (n = 71) consisted of 11 modules combining behavioral interventions, exercises including a self-monitoring food diary, psychoeducation, and 2 face-to-face coaching sessions over 4 months...
January 18, 2018: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29345488/risky-business-correlation-and-causation-in-longitudinal-studies-of-skill-development
#5
Drew H Bailey, Greg J Duncan, Tyler Watts, Doug H Clements, Julie Sarama
Developmental theories often posit that changes in children's early psychological characteristics will affect much later psychological, social, and economic outcomes. However, tests of these theories frequently yield results that are consistent with plausible alternative theories that posit a much smaller causal role for earlier levels of these psychological characteristics. Our article explores this issue with empirical tests of skill-building theories, which predict that early boosts to simpler skills (e...
January 2018: American Psychologist
https://www.readbyqxmd.com/read/29342952/a-long-term-follow-up-of-the-efficacy-of-nature-based-therapy-for-adults-suffering-from-stress-related-illnesses-on-levels-of-healthcare-consumption-and-sick-leave-absence-a-randomized-controlled-trial
#6
Sus Sola Corazon, Patrik Karlsson Nyed, Ulrik Sidenius, Dorthe Varning Poulsen, Ulrika Karlsson Stigsdotter
Stress-related illnesses are a growing health problem in the Western world; which also has economic significance for society. As a consequence; there is a growing demand for effective treatments. The study investigates the long-term efficacy of the Nacadia® nature-based therapy (NNBT) by comparing it to the efficacy of a validated cognitive behavioral therapy, called STreSS. The study is designed as a randomized controlled trial in which 84 participants are randomly allocated between the treatments. Long-term efficacy is investigated through data extracts from the national database of Statistics Denmark on the sick leave and the health-care consumption...
January 15, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29342285/serial-participation-and-the-ethics-of-phase-1-healthy-volunteer-research
#7
Rebecca L Walker, Marci D Cottingham, Jill A Fisher
Phase 1 healthy volunteer clinical trials-which financially compensate subjects in tests of drug toxicity levels and side effects-appear to place pressure on each joint of the moral framework justifying research. In this article, we review concerns about phase 1 trials as they have been framed in the bioethics literature, including undue inducement and coercion, unjust exploitation, and worries about compromised data validity. We then revisit these concerns in light of the lived experiences of serial participants who are income-dependent on phase 1 trials...
January 12, 2018: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/29341246/risk-factors-for-disordered-weight-control-behaviors-among-korean-adolescents-multilevel-analysis-of-the-korea-youth-risk-behavior-survey
#8
Yongjoo Kim, S Bryn Austin, S V Subramanian, Jennifer J Thomas, Kamryn T Eddy, Debra L Franko, Rachel F Rodgers, Ichiro Kawachi
OBJECTIVE: To investigate the prevalence and risk factors for disordered weight control behaviors (DWCB) in South Korean adolescents at multiple levels, including individual, family, school, and geographic area. METHOD: We drew participants from the 11th Korea Youth Risk Behavior Web-based Survey, conducted in 2015, with 65,529 adolescents (31,687 girls, 33,842 boys) aged 12-18 years. DWCB was defined as engaging in any of the following behaviors for weight control over the past month: fasting, one-food diet (eating only one food over an extended period of time for weight control), vomiting, and taking laxatives/diuretics/unprescribed diet pills...
January 17, 2018: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29339745/genomic-and-transcriptomic-analysis-of-the-asian-honeybee-apis-cerana-provides-novel-insights-into-honeybee-biology
#9
Qingyun Diao, Liangxian Sun, Huajun Zheng, Zhijiang Zeng, Shengyue Wang, Shufa Xu, Huoqing Zheng, Yanping Chen, Yuanyuan Shi, Yuezhu Wang, Fei Meng, Qingliang Sang, Lianfei Cao, Fang Liu, Yongqiang Zhu, Wenfeng Li, Zhiguo Li, Congjie Dai, Minjun Yang, Shenglu Chen, Runsheng Chen, Shaowu Zhang, Jay D Evans, Qiang Huang, Jie Liu, Fuliang Hu, Songkun Su, Jie Wu
The Asian honeybee Apis cerana is one of two bee species that have been commercially kept with immense economic value. Here we present the analysis of genomic sequence and transcriptomic exploration for A. cerana as well as the comparative genomic analysis of the Asian honeybee and the European honeybee A. mellifera. The genome and RNA-seq data yield new insights into the behavioral and physiological resistance to the parasitic mite Varroa the evolution of antimicrobial peptides, and the genetic basis for labor division in A...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339470/a-randomized-controlled-design-reveals-barriers-to-citizenship-for-low-income-immigrants
#10
Jens Hainmueller, Duncan Lawrence, Justin Gest, Michael Hotard, Rey Koslowski, David D Laitin
Citizenship endows legal protections and is associated with economic and social gains for immigrants and their communities. In the United States, however, naturalization rates are relatively low. Yet we lack reliable knowledge as to what constrains immigrants from applying. Drawing on data from a public/private naturalization program in New York, this research provides a randomized controlled study of policy interventions that address these constraints. The study tested two programmatic interventions among low-income immigrants who are eligible for citizenship...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29335341/trends-in-healthcare-expenditures-among-individuals-with-arthritis-in-the-united-states-from-2008-to-2014
#11
Amit Raval, Ami Vyas
OBJECTIVE: With the expected rise in the arthritis population, information is required regarding trends of healthcare expenditures among individuals with arthritis in the United States. We examined temporal trends in direct and out-of-pocket (OOP) healthcare expenditures among individuals with arthritis using a nationally representative database, the Medical Expenditures Panel Survey. METHODS: The study population was composed of cross-sectional cohorts of individuals aged ≥ 18 years from 2008 to 2014...
January 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29334881/a-proactive-behavioral-health-service-model-to-address-use-of-constant-observation-in-a-general-hospital
#12
Aaron Pinkhasov, Deepan Singh, Sridivya Chavali, Lori Legrand, Rose Calixte
In hospitals, use of constant observation (CO) causes significant economic burden without demonstrated reduction in adverse events. A novel quality improvement (QI) project was developed to reduce use of CO by integrating proactive behavioral health management of all patients requiring CO in a general hospital. Specific nonpharmacologic and pharmacologic interventions used in this project, which included 491 patients, are discussed. Data collected were compared with data from a baseline period before project implementation...
January 16, 2018: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/29332271/biodegradation-of-plastics-current-scenario-and-future-prospects-for-environmental-safety
#13
Temoor Ahmed, Muhammad Shahid, Farrukh Azeem, Ijaz Rasul, Asad Ali Shah, Muhammad Noman, Amir Hameed, Natasha Manzoor, Irfan Manzoor, Sher Muhammad
Plastic is a general term used for a wide range of high molecular weight organic polymers obtained mostly from the various hydrocarbon and petroleum derivatives. There is an ever-increasing trend towards the production and consumption of plastics due to their extensive industrial and domestic applications. However, a wide spectrum of these polymers is non-biodegradable with few exceptions. The extensive use of plastics, lack of waste management, and casual community behavior towards their proper disposal pose a significant threat to the environment...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29331859/development-of-a-method-to-determine-axitinib-lapatinib-and-afatinib-in-plasma-by-micellar-liquid-chromatography-and-validation-by-the-european-medicines-agency-guidelines
#14
Jaume Albiol-Chiva, Josep Esteve-Romero, Juan Peris-Vicente
A method based on micellar liquid chromatography to quantify the tyrosine kinase inhibitors axitinib, lapatinib and afatinib in plasma is reported. The sample pretreatment was a simple 1/5-dilution in a pure micellar solution, filtration and direct injection, without requiring extraction or purification steps. The three drugs were resolved from the matrix in 17min, using an aqueous solution of 0.07M sodium dodecyl sulfate - 6.0% 1-pentanol, buffered at pH7 with 0.01M phosphate salt as mobile phase, running under isocratic mode at 1mL/min through a C18 column...
January 2, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29330002/choosing-a-healthy-and-sustainable-diet-a-three-level-approach-for-understanding-the-drivers-of-the-italians-dietary-regime-over-time
#15
Ilaria Benedetti, Tiziana Laureti, Luca Secondi
Dietary patterns play key roles in health promotion and in preserving the environment. A growing number of studies show the importance of individual factors on food consumption choices, such as socio-economic status, lifestyle variables and contextual and social factors that characterize the geographical area in which individuals reside. The Mediterranean Diet is a sustainable diet that respects the environment, thus reducing per capita emissions from food production in respect to less sustainable diet. The aim of this paper is to determine the Italians' prevailing food patterns using a composite indicator and to identify which factors determine a higher adherence to the Mediterranean Diet in Italy...
January 9, 2018: Appetite
https://www.readbyqxmd.com/read/29328629/coupled-triboelectric-nanogenerator-networks-for-efficient-water-wave-energy-harvesting
#16
Liang Xu, Tao Jiang, Pei Lin, Jiajia Shao, Chuan He, Wei Zhong, Xiangyu Chen, Zhong Lin Wang
Water wave energy is a promising clean energy source, which is abundant but hard to scavenge economically. Triboelectric nanogenerator (TENG) networks provide an effective approach towards massive harvesting of water wave energy in ocean. In this work, a coupling design in TENG networks for such purposes is reported. The charge output of the rationally linked units is over 10 times of that without linkage. TENG networks of three different connecting methods are fabricated and show better performance for the ones with flexible connections...
January 12, 2018: ACS Nano
https://www.readbyqxmd.com/read/29325565/impact-of-social-relationships-on-alzheimer-s-memory-impairment-mechanistic-studies
#17
REVIEW
Ya-Hsin Hsiao, Chih-Hua Chang, Po-Wu Gean
Alzheimer's disease (AD) is characterized by progressive memory and neuronal loss culminating in cognitive impairment that not only affects a person's living ability but also becomes a society's as well as a family's economic burden. AD is the most common form of dementia in older persons. It is expected that the number of people with AD dementia will increase dramatically in the next 30 years, projecting to 75 million in 2030 and 131.5 million in 2050 worldwide. So far, no sufficient evidence is available to support that any medicine is able to prevent or reverse the progression of the disease...
January 11, 2018: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29323504/protective-behavioral-strategies-mediate-the-relationship-between-behavioral-economic-risk-factors-and-alcohol-related-problems
#18
Andrew T Voss, Kathryn E Soltis, Ashley A Dennhardt, Matthew P Martens, James G Murphy
Behavioral economic measures of alcohol reward value and future orientation have received support as predictors of alcohol consumption, alcohol-related problems, and response to intervention. Protective behavioral strategies (PBS) have been shown to be a significant mediator between a variety of risk factors and alcohol-related problems. The current article examines direct and mediating associations between measures of alcohol reward value (proportionate substance-related activity participation and enjoyment) and future orientation, use of PBS, and alcohol-related problems...
January 11, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29323110/free-choice-shapes-normalized-value-signals-in-medial-orbitofrontal-cortex
#19
Hiroshi Yamada, Kenway Louie, Agnieszka Tymula, Paul W Glimcher
Normalization is a common cortical computation widely observed in sensory perception, but its importance in perception of reward value and decision making remains largely unknown. We examined (1) whether normalized value signals occur in the orbitofrontal cortex (OFC) and (2) whether changes in behavioral task context influence the normalized representation of value. We record medial OFC (mOFC) single neuron activity in awake-behaving monkeys during a reward-guided lottery task. mOFC neurons signal the relative values of options via a divisive normalization function when animals freely choose between alternatives...
January 11, 2018: Nature Communications
https://www.readbyqxmd.com/read/29322321/polyphagy-by-omnivory-scavenging-improves-performance-of-a-polyphagous-caterpillar-on-marginal-hosts
#20
Eric F LoPresti
Few species of insect herbivores are highly polyphagous, but those few species are disproportionately ecologically and economically important and include many of the most destructive crop pests. Common correlates of extreme polyphagy across insects include the related behaviors of cannibalism and omnivory, though any functional consequences of these behaviors on the host range are unknown. I hypothesized that omnivory may allow these insects to exploit marginal hosts successfully (an expansion of realized niche)...
January 10, 2018: Oecologia
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