“…There has also been a discussion about quality, as early on there was a preference for farmed product (Anderson & Bettancourt, 1993), which in recent years has changed to a stated preference for wild product (Roheim et al, 2012) despite increasing market share and prices for farmed product (Asche et al, 2015b). In recent years, access to new types of data, and particularly scanner and household data has allowed new light to be shed on this competition (Dey et al, 2011;Chidmi et al, 2012;Asche, 2014;Dey et al, 2014;Singh et al, 2014;Asche et al, 2015c;Tan et al, 2015;Dey, 2015;Hoshino et al, 2015;Thapa et al, 2015;Kobayashi et al, 2015). Three articles in this special issue shed light on these issues.…”