Backtests, Causality, And Model Risk In Quantitative Investing

Quantitative finance continues to debate the reliability and limits of model-driven investment strategies. Read more here.
eLife

Readout and delayed transmission of initial afferent V1 activity in decisions about stimulus contrast

Evidence is provided suggesting that aggregate neural activity at an early stage of visual processing (V1) can directly contribute to perceptual decisions in humans.

With boom in prediction markets, some lawmakers worry about how to police themselves

House and Senate ethics committees give no financial disclosure guidance on event contracts or prediction markets — unlike stock, cryptocurrency and bond trades.

Deep learning model predicts which heart-failure patients will worsen within a year

Characterized by weakened or damaged heart musculature, heart failure results in the gradual buildup of fluid in a patient's lungs, legs, feet, and other parts of the body. The condition is chronic ...