Latent variables | Measurement items | Reference documentation |
Incremental service innovation | b1. The frequency of the value added services provided and service content extended by the enterprise to the existing customers and markets b2. The frequency of the existing service mode and the distribution line adjusted and improved by the enterprise b3. The frequency of the existing technology finely adjusted and improved by the enterprise | (Zhang Jing, 2011) [22] , (Li Xianjia, 2013) [23] , (Zhang Huiying, et al. 2014), (Wei Jiang, et al. 2014) [24] |
Breakthrough service innovation | b4. The frequency of the new customers and new markets found by the enterprise b5. The frequency of new service mode and new distribution line developed by the enterprise b6. The frequency of the emerging logistics technology updated and used by the enterprise |