Risk assessment of coronary heart disease based on cloud-random forest

Hub-and-spoke network design for container shipping considering disruption and congestion in the post COVID-19 era

The booming live streaming business has increased the number of consumer options for purchase channels, which has had a significant impact on firm sales models and management practices. This paper considers a multiechelon supply chain in which an upstream supplier can sell products through an online platform and a live streaming sales channel, and the online platform can choose to sign a reselling agreement or an agency selling agreement with the supplier. By constructing a Stackelberg game, we theoretically derive the equilibrium strategies of the supply chain members under different selling agreements in the presence of a live streaming sales channel. Specifically, we find that under the reselling agreement, the optimal retail price for the platform decreases with an increase in the commission rate, while the retail price for the live streaming channel always increases with an increase in the commission rate, and the relationship between the wholesale price and the commission rate depends on the ratio of the coefficient on the internet celebrity’s effort for the live streaming channel to that for the online platform. Under the agency selling agreement, there is a threshold in the agency fee. The impact of the commission rate on pricing strategy on one side of the threshold is opposite that on the other side. Furthermore, we numerically explore the impacts of the system parameters on the selection of the sales model, profit, and the decision-making of the supply chain members and identify the conditions under which agency selling and reselling are chosen when there is a live streaming sales channel. Interestingly, we find that the internet celebrity should not charge a commission rate that is too large; otherwise, it harms others without benefiting the celebrity. Moreover, when the supplier chooses to hire an internet celebrity to sell goods via live streaming, the supplier should choose a celebrity with either an extremely large following or with little influence but should not choose a celebrity with only moderate influence. 

/pdf/reselling-or-agency-selling-the-strategic-role-of-live-20t87t9m.pdf

Reselling or agency selling? The strategic role of live streaming commerce in distribution contract selection

Construction of resilience mechanisms in response to container shipping market volatility during the pandemic period: From the perspective of market supervision

The impact of global greenhouse gas emissions is increasingly serious, and the development of green low-carbon circular economy has become an inevitable trend for the development of all countries in the world. To achieve emission peak and carbon neutrality is the primary goal of energy conservation and emission reduction. As the core province in central China, Hubei Province is under prominent pressure of carbon emission reduction. In this paper, the future development trend of carbon emissions is analyzed, and the emission peak value and carbon peak time in Hubei Province is predicted. Firstly, the generalized Divisia index method (GDIM) model is proposed to determine the main influencing factors of carbon emissions in Hubei Province. Secondly, based on the main influencing factors identified, a novel STIRPAT (Stochastic Impacts by Regression on Population, Affluence, and Technology) extended model with ridge regression is established to predict carbon emissions. Thirdly, the scenario analysis method is used to set the variables of the STIRPAT extended model and to predict the emission peak value and carbon peak time in Hubei Province. The results show that Hubei Province's carbon emissions peaked first in 2025, with a peak value of 361.81 million tons. Finally, according to the prediction results, the corresponding suggestions on carbon emission reduction are provided in three aspects of industrial structure, energy structure, and urbanization, so as to help government establish a green, low-carbon, and circular development economic system and achieve the industry's cleaner production and sustainable development of society. 

/pdf/forecasting-the-carbon-emissions-in-hubei-province-under-the-3tyiqm3r.pdf

Forecasting the carbon emissions in Hubei Province under the background of carbon neutrality: a novel STIRPAT extended model with ridge regression and scenario analysis

Abstract In this paper, we investigate a manufacturer’s online selling strategy choice between wholesale selling and agency selling, and discuss its impact in the presence of spillovers from online to offline sales. We find that the manufacturer’s optimal online selling strategies vary with consumers’ online channel acceptance and the extent of the spillover effect. In particular, when the online channel acceptance is high, the manufacturer prefers the agency selling strategy. When the online channel acceptance is moderate, if the sale in the online channel leads to a negative spillover effect on demand in the offline channel, the manufacturer has an incentive to adopt the wholesale selling strategy; otherwise, the agency selling strategy is a preferred choice for the manufacturer. When the online channel acceptance is low, if the sale in the online channel leads to a significant negative or a positive spillover effect on demand in the offline channel, the manufacturer should adopt the agency selling strategy; otherwise, reselling the products to an e-tailer is an optimal choice. Moreover, under certain conditions, we find a “win-win-win” result for the manufacturer, the offline retailer, and the online platform by adopting the agency selling strategy. Finally, we show that two types of spillover (i.e., stimulation effect and cannibalization effect) have different influences on supply chain participants.

Manufacturer’s online selling strategies under spillovers from online to offline sales

We recently observe that some giant e-tailers (e.g., Amazon and JD.com) introduce marketplace channels by allowing third-party sellers to sell products through their platforms. Logistics service acts as a vital role in the operation of online platforms. In practice, the platform can outsource logistics service to third-party logistics providers (named as a third-party logistics strategy) or establish a self-run logistics network to distribute products (named as a self-run logistics strategy). This paper investigates the e-tailer's logistics service strategy in the presence of the marketplace channel's introduction. We reveal that the cost of logistics service plays a major role in determining the optimal logistics strategy. The self-run logistics strategy provides a low logistics service cost to the platform, which results in a higher consumer surplus in comparison with the third-party logistics strategy. Further, we find that when the logistics service cost is low, the platform prefers to establish self-run logistics in the presence of the marketplace channel. Finally, our results show that under the third-party logistics strategy, the platform benefits from the marketplace channel in the presence of an intermediate commission fee and a low discount factor. Based on game-theoretic models, some managerial insights are suggested for online retailers to choose the optimal logistics service strategy in the presence of introducing the marketplace channel. 

Impact of the introduction of marketplace channel on e‐tailer's logistics service strategy

Separation or integration: The game between retailers with online and offline channels

Fake review detection system for online E-commerce platforms: A supervised general mixed probability approach

Two-tier regulation models for the user-generated content platform: A game theoretic analysis

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