Employee share ownership, training, and early promotion policy as a bundle in enhancing labor productivity: A test of the three‐way interaction effect

The three‐way interaction effect of (broad‐based) employee share ownership (ESO), training, and early promotion policy on labor productivity was examined in a longitudinal sample of 614 organizations (1,605 organization‐year data points) in Korea. The ESO–productivity relationship was positive only when the investment in training was high and the opportunity for early promotion was present. However, we found no evidence for the two‐way...