“…In addition to their relevance for the EP's legislative organization, several studies have demonstrated that rapporteurs tend to be quite successful in shaping legislative outcomes in their favor (Costello and Thomson, 2010; Costello and Thomson, 2011). Especially in the informal setting of inter-institutional trilogues, rapporteurs are often able to wield substantial policy influence (Brandsma and Hoppe, 2021; Haag, 2022). Moreover, even though their draft reports are subject to an open amendment rule at the committee level of the EP, the rapporteur position is only rarely challenged successfully by competing amendments (Hurka, 2013).…”