Results 61 to 70 of about 14,243,072 (340)

An anatomy of calendar effects in Thailand [PDF]

open access: yesInvestment Management and Financial Innovations, 2016
This paper aimed to study the interaction and profitability of the five most well-established calendar effects: Halloween effect, January effect, turn-of-the-month effect, weekend effect, and Thai holiday effect. The author found that turn-of-the-month effect (TOM) and weekend effect were the strongest and most profitable effects in Thai stock markets.
openaire   +1 more source

Heterogeneity of Rheumatoid Arthritis–Associated Interstitial Lung Disease by Longitudinal Forced Vital Capacity Trajectory and Associations With Disease Outcomes

open access: yesArthritis Care &Research, EarlyView.
Objective We aimed to identify unique disease trajectories within rheumatoid arthritis–associated interstitial lung disease (RA‐ILD) based on longitudinal forced vital capacity (FVC) values and their associated clinical outcomes. Methods We performed a cohort study of RA‐ILD within the Veterans Health Administration from 1999 to 2021.
Bryant R. England   +9 more
wiley   +1 more source

Day of the Week Effect in Cryptocurrencies' Returns and Volatility

open access: yesRamanujan International Journal of Business and Research, 2020
Calendar anomalies as the seasonal tendencies in stock returns are the signal of irregular behaviour of stock markets. These anomalies have been comprehensively studied in many matured as well as emerging stock markets.
Ms. Vandana Dangi
doaj   +1 more source

The Adaptive Dynamics of the Halloween Effect: Evidence from a 120-Year Sample from a Small European Market

open access: yesInternational Journal of Financial Studies, 2023
The Halloween effect predicts that stock markets in the winter months (November through April) generate significantly higher returns than in the summer months (May through October).
Júlio Lobão, Ana C. Costa
doaj   +1 more source

VARX and GSTARX Models for Forecasting Currency Inflow and Outflow with Multiple Calendar Variations Effect

open access: yesMATEMATIKA, 2018
VARX and GSTARX models are an extension of Vector Autoregressive (VAR) and Generalized Space-Time Autoregressive (GSTAR) models. These models include exogenous variable to increase the forecast accuracy.
S. Suhartono   +2 more
semanticscholar   +1 more source

Long‐Term Opioids in Gout: A Matched Cohort Study From the Veterans Health Administration

open access: yesArthritis Care &Research, EarlyView.
Objective Though used frequently to treat flare, risk of long‐term opioid exposure in gout has not been well defined. In this study, we examined the hypothesis that people with gout are more likely than individuals without gout to be prescribed long‐term opioids over time.
Lindsay N. Helget   +7 more
wiley   +1 more source

The Effect of Advances in Lung-Cancer Treatment on Population Mortality.

open access: yesNew England Journal of Medicine, 2020
BACKGROUND Lung cancer is made up of distinct subtypes, including non-small-cell lung cancer (NSCLC) and small-cell lung cancer (SCLC). Although overall mortality from lung cancer has been declining in the United States, little is known about mortality ...
N. Howlader   +8 more
semanticscholar   +1 more source

Adipokines and Associations With Incident Osteoporotic Fracture in Patients With Rheumatoid Arthritis

open access: yesArthritis Care &Research, EarlyView.
Objective We assessed whether circulating adipokines are associated with incident fractures in patients with rheumatoid arthritis (RA). Methods Three adipokines (adiponectin, leptin, and fibroblast growth factor [FGF]‐21) were measured using banked enrollment serum from participants in a longitudinal RA cohort.
Joshua F. Baker   +9 more
wiley   +1 more source

One day is not as good as another…at least not across the entire territory of Italy: an analysis of the differences in the daily distribution of births across Italian macro-regions, 1999–2016

open access: yesGenus, 2019
The concentration of births on working days compared to a relative lack of events at weekends or during public holidays has been interpreted in literature as evidence of an excessive appeal to elective delivery.
Marco Breschi   +2 more
doaj   +1 more source

The relationships between the HIV test interval, demographic factors and HIV disease progression [PDF]

open access: yes, 2001
Individuals developing an HIV seroconversion illness may experience rapid disease progression. Information on seroconversion illness is rarely collected in most cohort studies; thus the aim of this study was to assess the value of the HIV test interval ...
Sabin, CA
core  

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