“…Consequently, notwithstanding the relative novelty of the phenomenon, academic studies in the field have exponentially increased over the last decade (Caul Kittilson and Scarrow, 2006;Hazan, 2006;Hazan and Rahat, 2010;Astudillo, 2012;Krouwel, 2012;Cross and Blais, 2012a, b;Pilet and Cross, 2014;Gauja and Cross, 2015;Kenig et al, 2015;Sandri et al, 2015;Boatright 2018). As a matter of fact, the term 'primaries' specifically refers to the selection of candidates for national or local elections involving all party members or, at least, party sympathizers (Pasquino, 2006;Kenig et al, 2015). Yet, this concept has been often used beyond its narrow meaning, to indicate more generally the growth of intra-party democracy and the involvement of a growing number of people in candidate and leader selection or in a party's internal decision-making process (Kenig and Rahat, 2012;Sandri et al, 2015).…”