Most nations have responded to the COVID-19 pandemic by locking down parts of their economies to reduce infectious spread. The optimal timing of the beginning and end of the lockdown, together with its intensity, is determined by the tradeoff between economic losses and improved health outcomes....

Explores the question of whether the traditional practice of bundling advertisements with content will prevail or become less common on the Internet. Given that revenue from advertisers is desirable to content providers, the answer mainly depends on whether advertisers will choose to deliver...