Acute ischemic stroke (AIS) is a life-threatening complication of coronavirus disease 2019 (COVID-19)
infection. Increasing reports suggest an association between COVID-19 and AIS, …

Regime-switching models can match the tendency of financial markets to often change their
behavior abruptly and the phenomenon that the new behavior of financial variables often …

Vitamin C (ascorbate) is maintained at high levels in most immune cells and can affect many
aspects of the immune response. Intracellular levels generally respond to variations in …

We examine the pricing of aggregate volatility risk in the cross‐section of stock returns.
Consistent with theory, we find that stocks with high sensitivities to innovations in aggregate …

A model for evaluating structural damage in reinforced concrete structures under earthquake
ground motions is proposed. Damage is expressed as a linear function of the maximum …

Background Sotorasib showed anticancer activity in patients with KRAS p.G12C–mutated
advanced solid tumors in a phase 1 study, and particularly promising anticancer activity was …

Stocks with recent past high idiosyncratic volatility have low future average returns around
the world. Across 23 developed markets, the difference in average returns between the …

Correlations between international equity market returns tend to increase in highly volatile
bear markets, which has led some to doubt the benefits of international diversification. This …

Correlations between US stocks and the aggregate US market are much greater for downside
moves, especially for extreme downside moves, than for upside moves. We develop a …

We examine the predictive power of the dividend yields for forecasting excess returns, cash
flows, and interest rates. Dividend yields predict excess returns only at short horizons …