Page 3 to 16: Patrice Jalette – Quebec. Labor Relations in a Time of Labor Shortage | Page 17 to 33: Jacques Freyssinet – United Kingdom. Immigration: political or economic priority? | Page 35 to 44: Catherine Sauviat – United States. Constrained collective bargaining in rail freight | Page 45 to 53: Aris Martinelli – Introduction. The impact on trade unionism of increasingly unfavorable labor relations for employees in Switzerland | Page 55 to 69: Aris Martinelli – Switzerland. The challenges of making working time more flexible in the machinery, electrical equipment and metals industry | Page 71 to 80: Nicola Cianferoni – Switzerland. Waiver of working time recording: what health protection measures? | Page 81 to 91: Nicolas Pons-Vignon and Enrico Borelli – Switzerland. The struggles of precarious logistics workers: the “DPD system”.