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Purpose – This paper aims to examine the effects of providing more information (e.g. product and price) and enhancing the interactivity of a website on consumers' willingness to pay price premiums. Design/methodology/approach – An experiment tests the proposed framework and corresponding hypotheses. The test features eight versions of an experimental website, with varying combinations of online information (e.g. price information, product information, and interactivity). Findings – Providing more information, whether about the product or price, leads to increased trust among consumers, which has the capacity to reduce consumer price consciousness and thereby enhance price premiums. E-tailers can earn price premiums by enhancing the interactivity on their websites. Originality/value – Previous studies are ambivalent about the impacts of providing information online. This study examines two paths by which information provision influences price premiums: trusting beliefs and price consciousness. The results demonstrate that providing rich information, together with enhanced interactivity, increases the perceived trustworthiness of the e-tailer, which reduces consumers' price consciousness and increases the price premiums.

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Summary This paper considers the global feedback exponential stabilization and L2 gain disturbance attenuation problems of the switched nonlinear polynomial systems with passive and nonpassive subsystems for any given average dwell time. In the existing result, it needs that there exists at least one open loop passive subsystem in the switched nonlinear system, which is unnecessary for the switched nonlinear polynomial system in this paper because the passivity of the subsystem can be obtained according to the passivity‐based feedback dissipative Hamiltonian realization. In addition, a parameterization of controller approach–based feedback exponential stabilization method of nonlinear polynomial system is described and utilized such that the Lyapunov function of the passive subsystem possesses the required decay rate to exponentially stabilize the switched nonlinear polynomial system. Comparing with the controller designed with the existing method, the obtained controller in this paper has much simpler structure and better performance. An example simulation is provided to illustrate the effectiveness of the proposed approach.