
Measuring Loyalty Program Effectiveness Without Bias
A supermarket chain runs a loyalty program across 180 stores. The program has been live for almost two years, and

A supermarket chain runs a loyalty program across 180 stores. The program has been live for almost two years, and

In 2012, eBay switched off its paid brand search ads on Yahoo and MSN and watched what happened to sales.

Every statistics handbook covers confidence intervals. And everyone who has ever studied statistics has been confused by the fact that

Some of the most important analytics decisions are made without an A/B test. For example, a marketing campaign can be






Women’s education is one of the strongest predictors of fertility decline globally — 157 countries, r = -0.79. The pattern

Ireland runs a €115bn surplus. Poland a €7bn deficit. Inside the EU’s uneven pharmaceutical trade map.

Search interest in “how to become a plumber” jumped after ChatGPT launched in late 2022. And has stayed elevated ever

Africa’s FDI inflows have increased every decade since 1970.Near zero then. $57B now. The continent needs this to continue. Investment