“…A program’s stringency depends on its governance design, which can involve strict environmental performance standards and enforcement mechanisms or lenient standards and weak enforcement, leading to symbolic participation (Carmin et al, 2003; Darnall et al, 2017). To date, scholars have relied mainly on anecdotal evidence to examine the role of VEP stringency, and developed conflicting accounts of how it drives firm participation, with some suggesting that firms favor stringent programs because of their external legitimacy (Castka & Corbett, 2016; Prakash & Potoski, 2007), and others arguing that they prefer lenient programs because of their lower adoption costs (Ahmed, 2012; Fischer & Lyon, 2014; Koehler, 2007).…”