Results 151 to 160 of about 2,921 (234)

Quantifying Heterogeneous Impacts of Geolocated mHealth Tracing on Spatiotemporal Transmission of Emerging Infections

open access: yesGeoHealth, Volume 10, Issue 8, August 2026.
Abstract Digital health tools, including mobile device location‐based health (mHealth) applications, have been adopted to augment conventional contact tracing during recent epidemics and pandemics, yet quantitative evidence about their added epidemiological value remains limited. Using aggregated, privacy‐preserving mHealth data from six Chinese cities
Zhifeng Cheng   +11 more
wiley   +1 more source

Testing for Contagion in International Financial Markets: To See More, Go Higher

open access: yesFinancial Review, Volume 61, Issue 3, Page 725-763, August 2026.
ABSTRACT Traditional measures of financial contagion rely on correlation shifts, overlooking higher moments such as skewness and kurtosis. We examine contagion during two major financial crises, incorporating lower‐ and higher‐moment measures. We analyze stock market returns from 22 major markets at different frequencies, offering a global perspective ...
Simeon Coleman, Vitor Leone
wiley   +1 more source

Dynamics of High‐Growth Young Firms and the Role of Venture Capitalists

open access: yesInternational Economic Review, Volume 67, Issue 3, Page 779-798, August 2026.
ABSTRACT Motivated by the substantial growth and upfront investments of venture capital (VC)‐backed firms observed in administrative US Census data, this study develops a life‐cycle firm dynamics model. In the model, startups choose the source of financing from VC, angel investors, or banks, depending on their growth potential, and invest in innovation.
Yoshiki Ando
wiley   +1 more source

The Cognitive Costs of Sleep Deprivation in Ultra‐Endurance Cycling: Insights From the Race Across France

open access: yesJournal of Sleep Research, Volume 35, Issue 4, August 2026.
ABSTRACT For athletes in endurance sports, who compete over several days and in unpredictable conditions, managing sleep–wake rhythms is critical to ensure optimal performance and minimise the risks to safety. Despite its growing popularity, the role of sleep management on ultracycling performance has received little attention.
Rémy Hurdiel   +4 more
wiley   +1 more source

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