“…As adoption of IDD requires a delicate balance between protecting the interest of employees and that of employers (Friedman, Landes, & Posner, ), state courts in the US exhibit different attitudes in acceptance or rejection of the doctrine (Kahnke, Bundy, & Liebman, ). Recent studies show that the adoption of the IDD significantly reduces employee mobility and knowledge spillovers (Png & Samila, ), decreases the risk of a firm losing its competitive position in its product market (e.g., Klasa, Ortiz‐Molina, Serfling, & Srinivasan, ; Png, ), increases barriers to entry (Gao & Wang, ), and enhances firm value (e.g., Castellaneta, Conti, & Kacperczyk, ; Klasa et al., ; Qiu & Wang, ).…”