Using a field experiment and an efficiency study that employs a Data Envelopment Analysis (DEA) modeling framework, we find that stakeholder engagement via instrumental communication improves the efficiency of delivering medical care in the oncology clinic of a major hospital. Importantly, we...

We ran a field experiment in a Dutch retail chain consisting of 128 stores. In a random sample of these stores, we introduced short-term sales competitions among subsets of stores. We find that sales competitions have a large effect on sales growth, but only in stores where the store's manager...