New products are often out of stock due to promotions,which in turn influences consumer's response to recommendations of similar alternatives,but to date,there is little research on this phenomenon.Based on both loss aversion theory and illusion of control theory,we...MORE New products are often out of stock due to promotions,which in turn influences consumer's response to recommendations of similar alternatives,but to date,there is little research on this phenomenon.Based on both loss aversion theory and illusion of control theory,we construct...