Credit guarantee types for financing retailers through online peer-to-peer lending: Equilibrium and coordinating strategy

•Two credit guarantee types in Peer-to-Peer lending platform financing are proposed.•Stackelberg equilibrium of financing system under each guarantee type is analyzed.•Optimal order quantity setting under adventurous credit guarantee is more flexible.•Under adventurous credit guarantee, financing system coordination can be achieved.•The suitable ranges of parametric variables achieving coordination are found.