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Leveraging marketer-generated content (MGC) can increase firms' success. However, few studies uncover the effects of MGC-related attributes on consumer engagement in the context of food marketing. This paper aims to explore the influence of MGC characteristics (valence, content types, vividness and interactivity) on consumer engagement.

This study uses WeChat official account data of seven food companies from China and conducts negative binomial regression models.

The findings indicate that different MGC-related characteristics have separate impacts on consumer WeChat engagement. Title valence, transactional title content and title with punctuation vividness negatively affect consumers' consuming engagement. Knowledgeable or entertaining title content and title with interactivity both positively affect consumers' consuming engagement. Moreover, transactional body text content negatively influences consumers' contributing engagement, whereas entertaining body text content shows positive effects. Vivid and interactive MGC body text attributes enhance consumers' contributing engagement behavior.

This study contributes to social media research in food marketplaces and sheds light on the effect of different WeChat MGC characteristics on separate consumer engagement.

The aim of this research is to empirically investigate how different types of trust relate to consumer perceptions of food safety.

After a review of trust literature this study classifies trust into three distinct types: supplier‐level specific trust, industry‐level specific trust and general trust. The direct and indirect relationships between three types of trust and consumer perceptions of food safety were studied through a survey of 1165 consumers from Beijing municipality, China using structural equation model as an analytical tool.

The results indicate that trust in manufacturers and trust in retailers are directly positively related to food safety perceptions. Trust in farmers is not directly related to food safety perceptions. Industry‐level specific trust is not related to food safety perceptions directly, but it is positively related to supplier‐level specific trust, which in turn is positively related to food safety perceptions. Finally, general trust has only a weak indirect positive effect through its effect on trust in food manufacturers.

The results imply that consumer perceived safety of food products might be enhanced by improving consumer trust in manufacturers and trust in retailers. The results also suggest that food suppliers are more difficult to build consumer trust when industry‐level specific trust is low and declining. In addition, food suppliers also get potential benefits through influencing and improving industry‐level specific trust. At last, the results suggest that some concerns about food safety are related to individuals' world reviews and maybe beyond the control of the food system.

This study is the first to investigate the relationship between different types of specific trust in the context of food safety. Accordingly, it complements existing trust models and helps predict and explain how trust relates to food safety perceptions directly and indirectly through interactions between different types of trust.

The purpose of this paper is threefold: to conceptualize a construct of the perceived value in CSA and its dimensions, to operationalize and validate the construct, and to empirically investigate the influence of perceived value in CSA on consumer satisfaction and loyalty.

This research begins by reviewing relevant literature that frames the concept of perceived value in CSA and integrates this construct into a nomological network. Operational measures for each component of perceived value in CSA are then developed. The scale is validated, and then used to test the hypothesized model in a sample of 198 consumers of Beijing's five CSA farms using partial least squares (PLS) as an analytical tool.

Perceived value in CSA is found to be a formative, multi-dimensional, third-order construct. Further, the results suggest that perceived value in CSA has both a direct positive effect on consumer loyalty and an indirect effect mediated through consumer satisfaction.

Limitations and research directions refer to the need to increase the sample size and replicate research in other places, the possibility of conducting longitudinal research, the need to identify antecedents of perceived value, and the opportunity to assess perceived value across a number of CSA member characteristics.

CSA farmers should recognize the importance of value creation to build and maintain long time relationships. This study suggests that CSA farmers can enhance value from two approaches. One approach is to build strategies to facilitate delivery of product benefits, emotional benefits, and social benefits. Another approach is to invest in efforts to reduce inconvenience and lower risk. In addition, the formative model means that CSA farmers can allocate resources depending on the relative weight of each in value perceptions.

This research is one of the first to conceptualize perceived value in a CSA setting; it argues that modeling of perceived value in CSA should take a formative approach and finds support for this; and assesses the nomological validity of the perceived value in CSA.

Vertical take-off is commonly adopted in most insect-mimicking flapping-wing micro air vehicles (FMAV) while insects also adopt horizontal take-off from the ground. The purpose of this paper is to study how insects adjust their attitude in such a short time during horizontal take-off by means of designing and testing an FMAV based on stroke plane modulation.

An FMAV prototype based on stroke plane rotating modulation is built to test the flight performance during horizontal take-off. Dynamic gain and decoupling mixer is added to compensate for the nonlinearity during the rotation angle of the stroke plane getting too large at the beginning of take-off. Force/torque test based on a six-axis sensor validates the change of aerodynamic force and torque at different rotation angles. High-speed camera and motion capture system test the flight performance of horizontal take-off.

Stroke plane modulation can provide a great initial pitch toque for FMAV to realize horizontal take-off. But the large range of rotation angles causes nonlinearity and coupling of roll and yaw. A dynamic gain and a mixer are added in the controller, and the FMAV successfully achieves horizontally taking off in less than 1 s.

The research in this paper shows stroke plane modulation is suitable for insect’s horizontal take-off

The purpose of this paper is to examine the impact of directors’ and officers’ liability insurance (D&O insurance hereafter) on corporate governance and firm performance, with a specific focus on investment efficiency.

Using a sample of Chinese A-share listed firms from the period 2007 to 2020, this study uses Ordinary Least Squares regressions to investigate the research questions, as well as moderating and mediating effects. Additionally, alternative measures of investment efficiency are used, and the Heckman two-stage model and propensity score matching model are used to demonstrate the consistency of the findings and to mitigate the risk of endogeneity.

The findings of this study suggest that purchasing D&O insurance has a detrimental impact on corporate investment efficiency, particularly in the context of over-investment activities; robust internal governance mechanisms, exemplified by a higher shareholding ratio of the top shareholder and enhanced internal control quality, alleviate this negative effect; and financing constraints act as a mediating factor in the association between D&O insurance and investment efficiency.

Corporate investment efficiency is of significant importance for both national macroeconomic growth and micro-enterprise development. Notably, the prevalence of D&O insurance among Chinese firms is progressively increasing, thus exerting a growing influence. This study contributes to the existing literature on D&O insurance and corporate investment efficiency, providing valuable insights into the economic impact of D&O insurance on Chinese firms. The empirical evidence presented herein facilitates future reforms and adjustments.

This study aims to identify and quantitatively evaluate the factors that influence the construction and demolition waste (CDW) policy instrument choice, and provide a systematic framework for local governments to select the appropriate policy instruments with a consideration of their specific situations.

Literature review and expert interviews were conducted to identify the key factors. These factors were quantitatively evaluated via a questionnaire survey. Exploratory factor analysis (EFA) was employed to explore the underlying structure of these variables and organize the factors into a systematic framework.

Resource, clarity of policy problem and goal, legitimacy, acceptance of targeted group and environmental concern of public are the five top variables, which should be emphasized in the selection of CDW policy. The respondents with experience in policymaking and those without experience had slightly different views on the importance of these variables. A total of six latent factors were identified and organized into a framework.

The questionnaire survey was conducted with government staff via a snowball sampling method, which may affect the representativeness of conclusions to a certain extent.

This study provides a useful reference for local government to choose appropriate policies to address the CDW problem. Matching attributes of policy instruments with the policy goal and the problem is the starting point in choice of the CDW policy. The matched instruments will be further narrowed by social context, i.e. environmental concern and socioeconomic situation. The final selection must undergo bargaining between policymakers and targeted groups.

Policy instruments choice is a complicated process, which is shaped by the interaction of many influential factors. However, the impact of these factors on CDW policy choice is largely overlooked. This study will contribute to the knowledge body pertaining to policy selection in the CDW field.

The purpose of this paper is to examine the effect of New Rural Pension Scheme (NRPS) on the private transfer behavior of the non-co-resident adult children to their elderly parents in rural China, and hence address the income redistribution effectiveness of public program for the elderly in rural China.

Pooled data from two waves of the China Health and Retirement Longitudinal Study and the combination of regression discontinuity design and difference in difference method are used to perform the analysis.

No evidence is found that pension payment from NRPS program does significantly crowd out the economic support from the adult children to their elder parents. The heterogeneous effects at different income percentile indicate that pension payment significantly increases the probability of receiving gross transfers and likelihood of the net transfer being positive for those elderly individuals with low income; in particular, the distinctive “family binding” arrangement may dramatically contribute to increasing the probability of receiving private transfers for the pension recipients.

The empirical findings would have far-reaching implications for the efficacy of public transfer or re-distributive programs such as NRPS; for the rural elderly, in particular, the unique “family binding” mechanism under the NRPS program may have positive welfare effects on the intended beneficiaries. Furthermore, an understanding of the inter-linkage between informal arrangements of elderly support and social re-distributive program provides further insight into the design of social security systems targeted to the vulnerable group in developing countries.

This study presents the improvements of the multicomponent Armstrong–Frederick model with multiplier (MAFM) performance through a numerical optimisation methodology available in a commercial software. Moreover, this study explores the application of a multiobjective optimisation technique for the determination of the parameters of the constitutive models using uniaxial experimental data gathered from aluminium alloy 7075-T6 specimens. This approach aims to improve the overall accuracy of stress–strain response, for not only symmetric strain-controlled loading but also asymmetrically strain- and stress-controlled loading.

Experimental data from stress- and strain-controlled symmetric and asymmetric cyclic loadings have been used for this purpose. The analysis of the influence of the parameters on simulation accuracy has led to an adjustment scheme that can be used for focused optimisation of the MAFM model performance. The method was successfully used to provide a better understanding of the influence of each model parameter on the overall simulation accuracy.

The optimisation identified an important issue associated with competing ratcheting and mean stress relaxation objectives, highlighting the issues with arriving at a parameter set that can simulate ratcheting and mean stress relaxation for load cases not reaching at complete relaxation.

The study uses a strain-life fatigue application to demonstrate the importance of incorporating a technique such as the presented multiobjective optimisation method to arrive at robust parameters capable of accurately simulating a variety of transient cyclic phenomena.

The proposed methodology improves the accuracy of cyclic plasticity phenomena and strain-life fatigue simulations for engineering applications. This study is considered a valuable contribution for the engineering community, as it can act as starting point for further exploration of the benefits that can be obtained through material parameter optimisation methodologies for models of the MAFM class.

Food recalls are more potentially harmful than other product recalls. This research aimed to investigate the effect of the recall strategies of food corporations on their brand image and consumers’ purchase intention.

This study adopts a between-subjects experiment of 2 (corporate recall strategy: voluntary recall, mandatory recall) *3 (food recall level (severity): high, medium, low), and recruits 224 consumers involved in cereal product recall in China. The authors inductively examine the effects of voluntary and mandatory recall on consumer perception and behavior intentions in the recall process.

Voluntary recall (vs. mandatory recall) will improve corporate brand responsibility image (vs. brand ability image) and consumers’ purchase intention to focal brand (vs. competitive brand and organic brand). Perceived corporate legitimacy and food safety play a mediating role. The former has a greater positive impact on brand image, and the latter has a more significant favorable influence on purchase intention. Furthermore, recall level has a moderating effect on the association between corporate recall strategy and perceived food safety, but is not significant in the effect of corporate recall strategy on perceived corporate legitimacy.

Previous inconsistent conclusions cannot effectively guide food corporations to manage recall strategies. This paper demonstrates the response mechanism of the recall strategy from the perspective of corporate social responsibility, which is beneficial to food safety crisis management and research.