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https://www.readbyqxmd.com/read/28708865/a-deep-learning-framework-for-financial-time-series-using-stacked-autoencoders-and-long-short-term-memory
#1
Wei Bao, Jun Yue, Yulei Rao
The application of deep learning approaches to finance has received a great deal of attention from both investors and researchers. This study presents a novel deep learning framework where wavelet transforms (WT), stacked autoencoders (SAEs) and long-short term memory (LSTM) are combined for stock price forecasting. The SAEs for hierarchically extracted deep features is introduced into stock price forecasting for the first time. The deep learning framework comprises three stages. First, the stock price time series is decomposed by WT to eliminate noise...
2017: PloS One
https://www.readbyqxmd.com/read/28706778/evaluation-of-healthy2go-a-country-store-transformation-project-to-improve-the-food-environment-and-consumer-choices-in-appalachian-kentucky
#2
Joshua A Rushakoff, Daniel E Zoughbie, Nancy Bui, Katerina DeVito, Leila Makarechi, Hitomi Kubo
Rates of obesity and type 2 diabetes in Kentucky's Cumberland Valley region are among the highest in the United States and limited access to healthy food contributes to these epidemics. The aim of Healthy2Go (H2G), a country store transformation project launched by Spread the Health Appalachia (STHA), was to improve awareness and availability of healthy options in small, rural stores. Ten country stores participated in H2G and received training and technical assistance to increase availability and awareness of healthy foods...
September 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28702204/exploring-the-status-of-retail-private-drug-shops-in-bangladesh-and-action-points-for-developing-an-accredited-drug-shop-model-a-facility-based-cross-sectional-study
#3
Syed Masud Ahmed, Nahitun Naher, Tarek Hossain, Lal Bahadur Rawal
BACKGROUND: The private retail drug shops market in Bangladesh is largely unregulated and unaccountable, giving rise to irrational use of drugs and high Out-of-pocket expenditure on health. These shops are served by salespersons with meagre or no formal training in dispensing. METHOD: This facility-based cross-sectional study was undertaken to investigate how the drug shops currently operate vis-a-vis the regulatory regime including dispensing practices of the salespersons, for identifying key action points to develop an accredited model for Bangladesh...
2017: Journal of Pharmaceutical Policy and Practice
https://www.readbyqxmd.com/read/28695833/investigation-on-the-collection-and-economy-of-medicinal-leeches-from-wetlands-around-lake-e%C3%A4-irdir-turkey
#4
Mustafa Ceylan, Osman Çetinkaya
OBJECTIVE: This study aimed to investigate the collection and economy of medicinal leeches from wetlands around Lake Eğirdir, Turkey. METHODS: Data used in this study were based on findings, observations, and face-to-face interviews obtained from a research performed between January 2013 - February 2016 on medicinal leech populations. RESULTS: The leech collecting is carried out without any permission, by both local peoples and others especially who are from Afyonkarahisar...
June 2017: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/28683130/does-network-topology-influence-systemic-risk-contribution-a-perspective-from-the-industry-indices-in-chinese-stock-market
#5
Haiming Long, Ji Zhang, Nengyu Tang
This study considers the effect of an industry's network topology on its systemic risk contribution to the stock market using data from the CSI 300 two-tier industry indices from the Chinese stock market. We first measure industry's conditional-value-at-risk (CoVaR) and the systemic risk contribution (ΔCoVaR) using the fitted time-varying t-copula function. The network of the stock industry is established based on dynamic conditional correlations with the minimum spanning tree. Then, we investigate the connection characteristics and topology of the network...
2017: PloS One
https://www.readbyqxmd.com/read/28679233/multifractal-temporally-weighted-detrended-cross-correlation-analysis-to-quantify-power-law-cross-correlation-and-its-application-to-stock-markets
#6
Yun-Lan Wei, Zu-Guo Yu, Hai-Long Zou, Vo Anh
A new method-multifractal temporally weighted detrended cross-correlation analysis (MF-TWXDFA)-is proposed to investigate multifractal cross-correlations in this paper. This new method is based on multifractal temporally weighted detrended fluctuation analysis and multifractal cross-correlation analysis (MFCCA). An innovation of the method is applying geographically weighted regression to estimate local trends in the nonstationary time series. We also take into consideration the sign of the fluctuations in computing the corresponding detrended cross-covariance function...
June 2017: Chaos
https://www.readbyqxmd.com/read/28677690/vaccination-ecosystem-health-check-achieving-impact-today-and-sustainability-for-tomorrow
#7
Mitra Saadatian-Elahi, David Bloom, Stanley Plotkin, Valentina Picot, Jacques Louis, Michael Watson
BACKGROUND: Vaccination is a complex ecosystem with several components that interact with one another and with the environment. Today's vaccine ecosystem is defined by the pursuit of polio eradication, the drive to get as many of the new vaccines to as many people as possible and the research and development against immunologically challenging diseases. Despite these successes, vaccine ecosystem is facing keys issues with regard to supply/distribution and cost/profitability asymmetry that risk slowing its global growth...
2017: BMC Proceedings
https://www.readbyqxmd.com/read/28674463/degrowth-taking-stock-and-reviewing-an-emerging-academic-paradigm
#8
REVIEW
Martin Weiss, Claudio Cattaneo
Degrowth has evolved within a decade from an activist movement into a multi-disciplinary academic paradigm. However, an overview taking stock of the peer-refereed degrowth literature is yet missing. Here, we review 91 articles that were published between 2006 and 2015. We find that the academic degrowth discourse occupies a small but expanding niche at the intersection of social and applied environmental sciences. The discourse is shaped by authors from high-income, mainly Mediterranean, countries. Until 2012, articles largely constitute conceptual essays endorsed by normative claims...
July 2017: Ecological Economics: the Journal of the International Society for Ecological Economics
https://www.readbyqxmd.com/read/28672026/weibo-sentiments-and-stock-return-a-time-frequency-view
#9
Yingying Xu, Zhixin Liu, Jichang Zhao, Chiwei Su
This study provides new insights into the relationships between social media sentiments and the stock market in China. Based on machine learning, we classify microblogs posted on Sina Weibo, a Twitter's variant in China into five detailed sentiments of anger, disgust, fear, joy, and sadness. Using wavelet analysis, we find close positive linkages between sentiments and the stock return, which have both frequency and time-varying features. Five detailed sentiments are positively related to the stock return for certain periods, particularly since October 2014 at medium to high frequencies of less than ten trading days, when the stock return is undergoing significant fluctuations...
2017: PloS One
https://www.readbyqxmd.com/read/28658307/the-reasons-behind-medicine-shortages-from-the-perspective-of-pharmaceutical-companies-and-pharmaceutical-wholesalers-in-finland
#10
Kati Heiskanen, Riitta Ahonen, Risto Kanerva, Pekka Karttunen, Johanna Timonen
The aim of this study was to explore the reasons behind medicine shortages from the perspective of pharmaceutical companies and pharmaceutical wholesalers in Finland. The study took the form of semi-structured interviews. Forty-one pharmaceutical companies and pharmaceutical wholesalers were invited to participate in the study. The pharmaceutical companies were the member organizations of Pharma Industry Finland (PIF) (N = 30) and the Finnish Generic Pharmaceutical Association (FGPA) (N = 7). One company which is a central player in the pharmaceutical market in Finland but does not belong to PIF or FGPA was also invited...
2017: PloS One
https://www.readbyqxmd.com/read/28640280/china-s-genomics-giant-to-make-stock-market-debut
#11
David Cyranoski
No abstract text is available yet for this article.
June 21, 2017: Nature
https://www.readbyqxmd.com/read/28634488/antiherding-in-financial-decision-increases-valuation-of-return-on-investment-an-event-related-potential-study
#12
Cuicui Wang, Jia Jin, João Paulo Vieito, Qingguo Ma
Using event-related potentials, this study investigated how financial herding or antiherding affected the valuation of subsequent outcomes. For each trial, subjects decided whether to buy the stock according to its net money flow information which could be used to reflect the strength of buying power or selling power of the stock. The return on investment (ROI) as feedback included the increase or decrease percentage after subjects' responses. Results showed that, compared with herding, antiherding induced larger discrepancies of FRN and P300 amplitude between positive ROI and negative ROI, indicating that individuals under antiherding condition had stronger motivation and paid more attention in the evaluation process of ROI...
2017: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28618491/minimum-spanning-tree-filtering-of-correlations-for-varying-time-scales-and-size-of-fluctuations
#13
Jarosław Kwapień, Paweł Oświęcimka, Marcin Forczek, Stanisław Drożdż
Based on a recently proposed q-dependent detrended cross-correlation coefficient, ρ_{q} [J. Kwapień, P. Oświęcimka, and S. Drożdż, Phys. Rev. E 92, 052815 (2015)PLEEE81539-375510.1103/PhysRevE.92.052815], we generalize the concept of the minimum spanning tree (MST) by introducing a family of q-dependent minimum spanning trees (qMSTs) that are selective to cross-correlations between different fluctuation amplitudes and different time scales of multivariate data. They inherit this ability directly from the coefficients ρ_{q}, which are processed here to construct a distance matrix being the input to the MST-constructing Kruskal's algorithm...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28601460/production-and-economic-responses-to-intensification-of-pasture-based-dairy-production-systems
#14
K A Macdonald, J W Penno, J A S Lancaster, A M Bryant, J M Kidd, J R Roche
Production from pasture-based dairy farms can be increased through using N fertilizer to increase pasture grown, increasing stocking rate, importing feeds from off farm (i.e., supplementary feeds, such as cereal silages, grains, or co-product feeds), or through a combination of these strategies. Increased production can improve profitability, provided the marginal cost of the additional milk produced is less than the milk price received. A multiyear production system experiment was established to investigate the biological and economic responses to intensification on pasture-based dairy farms; 7 experimental farmlets were established and managed independently for 3 yr...
June 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28598378/stock-market-fluctuations-and-self-harm-among-children-and-adolescents-in-hong-kong
#15
Wilfred Hing-Sang Wong, James Chun-Yin Lee, Frederick Ka-Wing Ho, Tim Man-Ho Li, Patrick Ip, Chun-Bong Chow
Although a few studies investigated the impact of stock market fluctuations on population health, the question of whether stock market fluctuations have an impact on self-harm in children and adolescents remain unanswered. This study therefore investigated the association between stock market fluctuations and self-harm among children and adolescents in Hong Kong. Daily self-harm attendance records were retrieved from all 18 local Accident and Emergency Departments (AED) from 2001 to 2012. 4931 children and adolescents who committed self-harm were included...
June 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28594886/impacts-of-el-ni%C3%A3-o-southern-oscillation-on-the-wheat-market-a-global-dynamic-analysis
#16
Luciano Gutierrez
Although the widespread influence of the El Niño-Southern Oscillation (ENSO) occurrences on crop yields of the main agricultural commodities is well known, the global socio-economic consequences of ENSO still remain uncertain. Given the global importance of wheat for global consumption by providing 20% of global calories and nourishment, the monitoring and prediction of ENSO-induced variations in the worldwide wheat market are essential for allowing national governments to manage the associated risks and to ensure the supplies of wheat for consumers, including the underprivileged...
2017: PloS One
https://www.readbyqxmd.com/read/28588145/ecosystem-based-management-and-the-wealth-of-ecosystems
#17
Seong Do Yun, Barbara Hutniczak, Joshua K Abbott, Eli P Fenichel
We merge inclusive wealth theory with ecosystem-based management (EBM) to address two challenges in the science of sustainable management of ecosystems. First, we generalize natural capital theory to approximate realized shadow prices for multiple interacting natural capital stocks (species) making up an ecosystem. These prices enable ecosystem components to be better included in wealth-based sustainability measures. We show that ecosystems are best envisioned as portfolios of assets, where the portfolio's performance depends on the performance of the underlying assets influenced by their interactions...
June 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28587237/risk-perceptions-on-hurricanes-evidence-from-the-u-s-stock-market
#18
José Manuel Feria-Domínguez, Pilar Paneque, María Gil-Hurtado
This article examines the market reaction of the main Property and Casualty (P & C) insurance companies listed in the New York Stock Exchange (NYSE) to seven most recent hurricanes that hit the East Coast of the United States from 2005 to 2012. For this purpose, we run a standard short horizon event study in order to test the existence of abnormal returns around the landfalls. P & C companies are one of the most affected sectors by such events because of the huge losses to rebuild, help and compensate the inhabitants of the affected areas...
June 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28559853/proteogenomics-reveals-enriched-ribosome-assembly-and-protein-translation-in-pectoralis-major-of-high-feed-efficiency-pedigree-broiler-males
#19
Walter G Bottje, Kentu Lassiter, Alissa Piekarski-Welsher, Sami Dridi, Antonio Reverter, Nicholas J Hudson, Byung-Whi Kong
Background: In production animal agriculture, the cost of feed represents 60-70% of the total cost of raising an animal to market weight. Thus, development of viable biomarkers for feed efficiency (FE, g gain/g feed) to assist in genetic selection of breeding stock remains an important goal in commercial breeding programs. Methods: Global gene (cDNA microarray, RNAseq) and protein expression (shotgun proteomics) analyses have been conducted on breast muscle samples obtained from pedigree broiler males (PedM) exhibiting high and low FE phenotypes...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28542296/traders-guns-and-money-the-effects-of-mass-shootings-on-stock-prices-of-firearm-manufacturers-in-the-u-s
#20
Anandasivam Gopal, Brad N Greenwood
We investigate how mass shootings influence the stock price of firearms manufacturers. While it is well known that mass shootings lead to increased firearms sales, the response from financial markets is unclear. On one hand, given the observed short-term increase in demand, firearm stock prices may rise due to the unexpected financial windfall for the firm. On the other, mass shootings may result in calls for regulation of the industry, leading to divestment of firearms stocks in spite of short-term demand...
2017: PloS One
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