“…Incumbents tend to be favored in elections at all levels of office (e.g., Ansolabehere & Snyder, 2002;Cover, 1977;Erikson, 1971;Jewell & Breaux, 1988;Weisberg, 2002). Typical explanations for why candidates already in office get more votes are institutional: incumbents have access to more resources (Abramowitz, 1991) and can provide goods and services to constituents in exchange for support (Cain, Ferejohn, & Fiorina, 1987;Romero, 2006).…”