Survey geeks and research-curious folks may enjoy the Bartleby column in this week’s The Economist, which looks at the secrets to a good employee survey.

It’s one of the numbers you want to keep low in business. Churn. Firms with churn rates of more than 5% are often less profitable and that’s usually because they have higher acquisition costs and slower productivity as they constantly onboard new clients. In fact, it’s estimated that the average churn rate in the professional services industry is as high as 27%. As a result, reducing churn is usually one of the main priorities of firms. So how do they go about it? We think th