“…Supported by his seminal findings, a large body of future works (e.g. Abramowitz, 1975; Ferejohn, 1977; Fiorina, 1977; Mann and Wolfinger, 1980; Coates, 1995; Cox and Katz, 1996; Herrera and Yawn, 1999) has taken the existence of the incumbency advantage and its growth for granted and shifted the attention to its possible explanations, such as the growth of bureaucracy (Fiorina, 1977), the change in relations between incumbents and constituents (Fenno, 1978; Romero, 2006) or the influence of the media (Prior, 2006).…”