“…This affective contagion process is most likely to happen for positive emotional expressions while also highly dependent on the political context (Sullivan and Masters, 1988;Homan et al, 2022). In addition, smiling may unconsciously produce a halo effect, increasing perceptions of attractiveness, competence and trustworthiness (Montepare and Dobish, 2003;Oosterhof and Todorov, 2008;Todorov et al, 2008;Zebrowitz, 2017).These perceptions have been found to predict election outcomes (Todorov et al, 2005;Laustsen and Petersen, 2016a;Little et al, 2012;Jaeger et al, 2019;Mattes and Milazzo, 2014). Second, people deduce important social information from leaders' emotional expressions, such as their goals and intentions (Van Kleef, 2009, 2010Hareli and Hess, 2010).…”