Hypothesis testing is a common statistical method for testing an assumption. Did changing the font of a web page cause people to spend more time on it? Does ...

At this year’s meeting of the American Economic Association (AEA), David Card — the Class of 1950 Professor of Economics at the University of California, ...

The prices of products in the Amazon Store reflect a range of factors, such as demand, seasonality, and general economic trends. Pricing policies typically ...

Millions of customers around the world rely on Amazon's vast online catalogue, containing information on hundreds of millions of products, to make informed ...