Batching orders and routing order pickers is a commonly studied problem in many picker-to-parts warehouses. The impact … the right order batch. We formulate the problem as a joint order batching and generalized assignment model, and solve it … order processing time. Compared to assigning order batches to pickers only based on individual picker productivity, savings …

This paper develops a novel method to identify the causal contribution of managers to team performance. The method … requires repeated random assignment of managers to multiple teams and controls for individuals' skills. A good manager is … someone who consistently causes their team to produce more than the sum of their parts. Good managers have roughly twice the …