Haake, Claus-Jochen, et al. “Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining.”https://doi.org/10.1111/sjoe.12518__Scandinavian Journal of Economics, vol. 125, no. 2, Wiley, 2022, pp. 403–40, doi:https://doi.org/10.1111/sjoe.12518.