专业化市场在产业集群发展中的作用

中国产业集群的发展往往与一个或者多个专业批发市场相联系。中国的流通体制改革是中国专业化市场出现的重要原因。专业化市场对产业集群发展所起的作用可以说是中国特有的现象。先前的研究很少对中国这个特有现象给予重视。在产业集群和专业化市场的相互作用中,这些和产业集群有着密切联系的市场演变出不同的类型。专业化市场可以服务单个产业集群也可以服务多个产业集群。专业化市场可以细分为：房地产式,集群衍生式,中枢式和孵化器式。     

Exploring the link between integrated leadership and public sector performance

This study develops the concept of integrated leadership in the public sector. Integrated leadership is conceived as the combination of five leadership roles that are performed collectively by employees and managers at different levels of the hierarchy. The leadership roles are task-, relations-, change-, diversity-, and integrity-oriented leadership. Using data from the Federal Human Capital Survey and Program Assessment Rating Tool, we analyze the relationship between integrated leadership and federal program performance. The findings from the empirical analysis indicate that integrated leadership has a positive and sizeable effect on the performance of federal sub-agencies. The study concludes with a discussion of the implications of the findings and limitations of the study.     

Urge to Gamble in Problem Gamblers Exposed to a Casino Environment

Cue-reactivity has received increased attention in addiction research, though not for gambling in particular. We examined cue reactivity in 18 problem gamblers by accompanying them to a gaming casino and measuring their subjective urge to gamble over a 1-h period. Half of the sample was additionally exposed to a gambling-specific negative mood induction (NMI) manipulation via guided imagery. Overall, about two-thirds of the sample reported moderate to high-gambling urges during the casino exposure. Additionally, the NMI reduced cue-reactivity. Finally, gambling urges in both groups decreased over the course of the exposure sessions. These findings suggest that a majority of problem gamblers experience the urge to gamble when exposed to gambling cues and that the intensity of these urges decrease with time, especially in the presence of a gambling-relevant NMI. Cue exposure should be studied further as a potential tool in the treatment of problem gambling.     

Motivating Action and Maintaining Change: The Time‐Varying Role of Homework Following a Brief Couples' Intervention

Studies regarding the effectiveness of homework assignments in cognitive‐behavioral treatments have demonstrated mixed results. This study investigated predictors of compliance with homework recommendations and the time‐varying relationship of recommendation completion with treatment response in a brief couples' intervention (N = 108). More satisfied couples and couples with more motivation to change completed more recommendations, whereas couples with children completed fewer. The association between recommendation completion and treatment response varied with the passage of time, with the strongest effect observed 6 months after the intervention, but no discernible differences at 1 year postintervention. Couples that completed more recommendations experienced more rapid treatment gains, but even those couples doing substantially fewer recommendations ultimately realized equivalent treatment effects, although they progressed more slowly. Implications are discussed.     

Stories of Non‐Becoming: Non‐Issues,Non‐Events and Non‐Identities in Asexual Lives

In contrast to conventional models of positively “becoming” an identity through social interaction, this article explores the inverse, negational process of “non‐becoming,” whereby actors start but do not continue along an identity career trajectory. Through cumulative attrition, interactions and encounters at key moments create an overall pattern of non‐progression. Using asexuality as an example, we identify three main trajectory stages of non‐awareness, communicative negation and non‐consolidation, each involving interactional contingencies. With a wider applicability to other repudiated identities, this model shows how even negational symbolic social objects (non‐issues, non‐events, and non‐identities) are constituted through social interaction.     

Observational practice in virtual worlds: revisiting and expanding the methodological discussion

Virtual worlds, such as World of Warcraft and Second Life, have seen remarkable mainstream uptake in the last decade. Such environments have grown from hosting niche interest groups to providing sites for leisure, business and education for tens of millions of Internet users. Concurrently, a multi-disciplinary research field exploring the application of such spaces has emerged. This article examines in detail one data collection practice – observation in virtual worlds – that has been applied extensively, but without extensive methodological discussion. By revisiting and extending earlier work on this topic, the article presents four key considerations for those conducting observational research in virtual worlds: defining and delimiting field sites, discerning attention, charting actions and attributing intention. It is concluded that researchers must both ward against flawed assumptions about virtual world observation and consider multi-method strategies to overcome limitations in observational data.     

Sexual identity distress, social support, and the health of gay, lesbian, and bisexual youth

Sex researchers and mental health clinicians have long recognized that the stigma surrounding homosexuality plays an important role in shaping the social psychological adjustment of gay, lesbian, and bisexual (g/l/b) people. In recent years, researchers have suggested that sexual identity- related distress may influence the physical health status of g/l/b people, primarily because of the ways these self-related feelings and beliefs impact patterns of health-related behavior. This study examines the influence of sexual identity distress and social support on g/l/b youth's drug and alcohol use, psychological distress, and risky sexual behavior. The data come from a services research demonstration program conducted at the Indiana Youth Group, Inc., a g/l/b youth development agency based in Indianapolis, Indiana. Results indicate that sexual identity distress is strongly associated with psychological distress, less frequent use of alcohol, and using fewer types of illegal drugs. Being out to more people in one's support network, however, attenuates the severity of youth's sexual identity-related distress. Youth who report more support ties to g/l/b people indicate engaging in more frequent risky sexual behavior. The implications of these findings for theories of g/l/b youth's sexual identity development are discussed.