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The purpose of this study is to explore the continuity and stability of the impact of accounting information quality on cash holdings, and the moderating effect of this relationship on state ownerships and local appointments.

Based on China's companies from 2011 to 2019, the authors divided cross-section and panel samples, adopted a linear and classification model and performed grouping regression.

The authors find that: first, the quality of corporate accounting information can significantly improve the level of cash holding, giving play to the strategic value effect of cash holding. But that boost is based on economies being able to solve agency problems. Second, the reduction of earnings management and the improvement of accounting information quality of NSOEs improve the level of cash holdings, while SOEs are on the contrary. Third, local appointments can play to the emotional strengths of their hometowns and play a synergistic role in this relationship, but the supervision effect of remote appointments is not obvious.

Through endogeneity and other tests, the conclusion is robust. Based on the agency and information asymmetry theory, the authors considered China's institutional and cultural factors, optimized accounting information's measurement and expanded the research boundary of the accounting field. The authors believe that applicable scenarios should be fully considered in the concluding relationship between accounting information quality and cash holdings. Enterprises should give full play to the advantages of cash holdings in strategic decision-making and financial efficiency, improve the quality of accounting information and also consider state ownerships and the differences in directors' emotions to reduce internal agency costs.

This paper aims to focus on the reliability of Sn15Bi–xAg and Sn15Bi–xCu solder joints during isothermal aging.

The effects of Ag or Cu additions on the microstructure, interfacial metallic compound layer and shear strength of Sn–15Bi (Sn15Bi) based solder joints during were investigated. The effects of Ag or Cu additions on the microstructure and tensile properties of Sn15Bi-based bulk solders were also investigated to provide a comprehensive analysis. The interfacial morphology and microstructure were observed by scanning electron microscopy and the composition in the structure was examined by energy dispersive spectrometer. The shear tests were carried out on the as-soldered and as-aged joints using a ball shear tester.

The results revealed that by adding Ag or Cu, the microstructure of Sn15Bi solder can be refined. Ag addition increased the tensile strength of Sn15Bi solder but had little effect on elongation. However, Cu addition decreased the tensile strength and elongation of Sn15Bi solder. For solder joints, Ag addition increased the shear strength and toughness of Sn15Bi/Cu joints but Cu addition decreased the shear strength and toughness of Sn15Bi/Cu joints.

The authors can potentially provide a replacement for Sn40Pb traditional solder with Sn15Bi solder by alloying Ag or Cu due to its lower cost and similar melting point as Sn–Pb solder.

The profound impact of the COVID-19 pandemic on the film industry has underscored the growing significance of online movies. However, there is limited research available on the factors that influence the viewership of online films. Therefore, this study aims to use the signaling theory to investigate how signals of varying qualities affect online movie viewership, considering both signal transmission costs and prices.

This study uses a sample of 1,071 online movies released on the iQiyi from July 2020 to July 2022. It uses OLS regression and instrumental variable method to examine the impact of various quality indicators on the viewership of online movies, as well as the moderating effect of price.

After conducting a thorough analysis of this study, it can be deduced that the varying impacts on online movie viewership are attributed to disparities in signal transmission costs. Specifically, star influence and rating exhibit a positive effect on the viewership of online movies, whereas the number of raters has a detrimental impact. Furthermore, there exists an “inverted U-shaped” relationship between the number of reviews and online movie viewership. Additionally, within the consumer decision-making process, both price-cost and price-quality relationships coexist. This is evident as prices negatively affect online movie viewership but positively moderate the relationship between rating, number of reviews and online movie viewership.

The research findings of this study offer valuable insights for online film producers to effectively leverage quality signals and pricing, thereby capturing market attention and enhancing film profitability.