Big data service investment choices in a manufacturer-led dual-channel supply chain

•Examine impact of big data service investment on a dual-channel supply chain.•The impact of the manufacturer and the retailer’s big data service investment on the supply chain is studied, respectively.•Study the difference between the impact of big data service on two channels at the same time and only one channel.•Whether the manufacturer and the retailer choose the same model depends on the fixed cost value.•Cost sharing contract can coordinate supply chain and improve big data service level.