1. Who is credited with defining the value chain as the set of steps that determine a company's ability to gain a competitive advantage in the wine industry?
De Beauregard
Spiegazione
De Beauregard is credited with defining the value chain as 'the set of steps that determine a company's ability to gain a competitive advantage,' as stated in the source content. The other options are plausible but are not the authors associated with this specific definition in the provided material.