System provides digital record of payments for India’s vast self-employed ranks, satisfying lenders, and raising the likelihood of starting a business
Measuring the utility of increased care and testing, inputs that aren’t always immediately available
A field experiment using public donation data indicates peer pressure matters
Informed by personal experience, a researcher parses data to help those mulling mastectomy and gynecological surgeries
In pre-World War II Germany, sports clubs became a vehicle to spread Nazism
History’s Encyclopédie subscribers are matched to grievances against the monarchy
Small businesses hit particularly hard when Apple made it easy to opt out of app tracking
A model for dispatching and charging favors … the Nissan Leaf?
A model vastly outperforms predictions based on prior hospital data
Sharing the technology’s weak work product negatively influences the quality of its output going forward
The spots, aimed at demographic groups, can feel like stereotyping, even discriminatory
A model for staffing O.R.s incorporates the costs of worker dissatisfaction and idle time
Improved voter targeting and the rise of nationalized campaigns may help explain this disconnect
Sampling method capitalizes on similarities between grid sections to stretch inspection dollars
Queuing models aren’t simple but offer big potential service improvements
A model for cities to boost ridership, without snarling car traffic