“…To test our theoretical propositions on BLER, we run a probit regression using a dummy for the presence of at least one employee director on the board ( BLER ) as our dependent variable. In terms of our main explanatory variables, different measures have been suggested to quantify the specificity of human capital; some studies rely on the length of employees’ tenure (Bingley and Westergaard‐Nielsen ; Oberfichtner ), while others propose more complex skill‐based measures (Leping ). Based on the literature and data availability, we employ three different empirical proxies to capture firm‐specific investments in human capital: (1) workers’ tenure in the firm, measured by the average tenure of workers in the firm ( Employee tenure ); (2) distribution of workers by qualifications, since highly qualified employees are indeed more likely to become specialized to their current employer (Hansmann ); we measured employee qualifications by the average length of education for the employees in the firm, in months ( Employee education ) and, alternatively, by workers’ job position, namely, the incidence of professionals and top‐level employees among all workers ( Experts, Top‐level employees ); (3) industry‐level measures (two‐digit NACE code) of the relevance of workers’ skill and specialization, namely, labour costs as a percentage of total firm sales ( Labour costs ) and intangible assets per employee, in 1,000 DKK ( Intangible assets per emp .…”