Dynamic co-opetitive approach of a closed loop system with remanufacturing for deteriorating items in e-markets

•This study examines the dynamic co-opetitive remanufacturing strategy in e-markets.•A price-dependent and time-variant demand function with substitution is considered.•The multi-variable profit-maximization problem is formulated for deteriorating goods.•This study makes dynamic joint pricing, scheduling and lot-sizing decisions.•The strategic decision depends on the market size, substitutability and costs.