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PurposeThis paper aims to examine the role of learning orientation in building brand equity for B2B firms. The present research proposes that learning orientation contributes to the development of innovation and marketing capabilities and, in turn, leads to enhanced industrial brand equity. Furthermore, the moderating effect of firm size in these processes is investigated.Design/methodology/approachThe hypotheses are tested by administering a survey with a set of managers of manufacturing firms in China.FindingsInnovation capability and marketing capability serve as the mediators between learning orientation and industrial brand equity. The mediating path through innovation capability is stronger for small firms than for large firms.Research limitations/implicationsLearning orientation provides a cultural base for B2B firms to cultivate brand equity. Measurement of industrial brand equity and contingency of its effect requires further investigation.Practical implicationsTo transform learning-oriented culture into brand equity, firms need to develop and manage innovation and marketing capabilities. The learning orientation–innovation capability route is more beneficial for small firms.Originality/valueWhile a majority of prior literature ignores the impact of organizational culture in driving industrial brand equity, the present research explores learning orientation as a key cultural antecedent of industrial brand equity. A more refined industrial-brand-equity-building mechanism from learning orientation to corporate capabilities and then to brand equity is proposed and tested. The mechanism varies with firm size.

Purpose
This paper aims to explore whether, how and when influencers' value co-creation behavior in a post – influencers investing operant resources to enhance the value gained from using the product – shapes consumers' responses toward an influencer's recommendation. Based on value co-creation theory and consumer inference, this paper proposes that consumers infer influencers have more expertise with and more favorable attitude toward the product from value co-creation. Consequently, such behavior can foster consumer engagement and favorable attitude toward the recommended product.


Design/methodology/approach
The authors collected real-world data and conducted four sets of experimental studies. In the experimental studies, the presence of an influencer's value co-creation behavior (i.e. co-creation vs. control) was manipulated to test the causal effect and mechanisms of co-creation on engagement and product attitude.


Findings
Results show that influencers' value co-creation behavior positively affects consumers' engagement and attitudes toward the product. These effects are driven by perceived influencer's expertise with and favorability toward the product (Studies 1 and 2). Co-creating utilitarian value is more effective than co-creating hedonic value (Studies 3A and 3B). In addition, influencers with a larger number of followers benefit more from co-creation behavior than those with fewer followers (Study 4).


Research limitations/implications
This research adds to the literature on value co-creation by investigating how, why and when influencers' value co-creation enhances consumer responses to the post. Our investigation concretizes value co-creation behavior in the context of influencer marketing and demonstrates its signaling effect with nuanced role of value type in shaping the effect. The findings provide a novel cue that influencers can use to enhance consumer responses to their posts.


Practical implications
Brands should encourage influencers to focus on value-in-use co-creation when promoting their products. While emphasizing value co-creation in influencer partnership, brands should also carefully consider the type and size of influencers they collaborate with based on the nature of their products and target audience. The research findings also provide practical implications for influencers, offering guidance on how they can optimize their content creation strategies and enhance their effectiveness in influencer marketing collaborations.


Originality/value
This research enriches understanding of value co-creation in the context of influencer marketing and the role of content specifics in influencers' posts. The findings provide a novel cue that influencers can use to enhance consumer responses to their posts.

The prevalence and risk factors associated with psychiatric disability among Chinese children under 14 years of age has long been of interest. Data used in the study included two nationally representative population-based surveys from the first and second China National Sample Surveys on Disability, conducted in 1987 and 2006. Both surveys used multistage, stratified random cluster sampling, with probability proportion to size, to derive nationally representative samples. Age-standardized point prevalence of mental disability was estimated through direct standardization using the 2000 census-derived Chinese population as the standard. Associations between psychiatric disability in children and possible risk factors were examined by logistic regression. Age-standardized point prevalence of psychiatric disability in children increased sharply from 0.18% to 1.11% in the 20 years between surveys. In the logistic regression analysis, the children's age and household size presented inverse associations with psychiatric disability in both surveys, although these associations were not all significant in 1987. Residential area, minority group status and gender of children were consistently associated with psychiatric disability in both surveys. To face the challenge of rising prevalence rates of psychiatric disability among children in China, the government should adopt more vigorous strategies to prevent it, especially for minority ethnicity children and those living in rural areas.

Some phenomena that occur in the present day may have also occurred a long time ago. In this study, we examined the relationship between education attainment and late marriage in modern society as well as in ancient China. To this end, we analyzed demographic data reported by 2010 Census statistics and data recorded by historical documents of Chinese dynasties. We concluded that the current delay in the age at marriage has historical roots, as late marriage in the Song Dynasty era and today's society have a common cause—namely, education, which impacts the age that people choose to marry.

SummaryChinese youth represent a high-risk group for sexually transmitted infections and unintended pregnancies, but there is little understanding of their sexual behaviours. Using nationally representative data, this study examines the social and demographic correlates of condom use by Chinese youth at sexual debut. It also examines the relationship context of condom use at sexual debut. The results indicate that condom use at sexual debut is very low in China, confirming that youth are a high-risk group. The results demonstrate that age and educational attainment are the primary indicators of condom use. Early sexual debut associates with a greater risk of unsafe sex at sexual debut and higher educational attainment increases the likelihood of self-protecting behaviours. The likelihood of self-protection also increases when sexual partners plan their sexual debut or discuss contraception beforehand. The results suggest that interventions are needed to provide youth with better knowledge about self-protection.

Abstract Background Birth defects are a major cause of infant mortality and disability in many parts of the world. Neural tube defects (NTDs) are one of the most common types of birth defects. In 2001, the Chinese population and family planning commission initiated a national intervention program for the prevention of birth defects. A key step in the program was the introduction of folic acid supplementation. Of interest in the present study was to determine whether folic acid supplementation has the same protective effect on NTDs under various geographical and socioeconomic conditions within the Chinese population and the nature in which the influence of environmental factors varied after folic acid supplementation. Methods In this study, Heshun was selected as the region of interest as a surrogate for helping to answer some of the questions raised in this study on the impact of the intervention program. Spatial filtering in combination with GIS software was used to detect annual potential clusters from 1998 to 2005 in Heshun, and Kruskal-wallis test and multivariate regression were applied to identify the environmental risk factors for NTDs among various regions. Results In 1998, a significant (p < 0.100) NTDs cluster was detected in the west of Heshun. After folic acid supplementation, the significant clusters gradually moved from west to east. However, during the study period, most of the clusters appeared in the middle region of Heshun where more than 95 percent of the coal mines of Heshun are located. For the analysis, buffer regions of the coal mine zone were built in a GIS environment. It was found that the correlations between environmental risk factors and NTDs vary among the buffer regions. Conclusion This suggests that the government needs to adapt the intervention measures according to local conditions. More attention needs to be paid to the poor and to people living in areas near coal mines.