青藏铁路开通与西藏大发展——青藏铁路：西藏发展的助推器

2005年我国历史上最重要的一条铁路——青藏铁路全线贯通，2006年7月正式试运营。对于这样一条全世界都关注的铁路的建成和运营，将对西藏的经济社会发展产生什么影响？我们应该选择什么样的应对策略，是值得认真研究的大课题。为此，本期封面文章全力推出专题：青藏铁路开通与西藏大发展。本刊特邀《西藏人口发展战略研究》课题组专家学者，力图从西藏的社会、文化、经济各个方面作一深入探讨，为各级政府决策提供科学建议，为西藏的发展建言献策。[编者按]     

Homogeneity tests in meta-analysis: a Monte Carlo comparison of statistical power and Type I error

The statistical power and Type I error rate of several homogeneity tests, usually applied in meta-analysis, are compared using Monte Carlo simulation: (1) The chi-square test applied to standardized mean differences, correlation coefficients, and Fisher's r-to-Z transformations, and (2) S&H-75 (and 90 percent) procedure applied to standardized mean differences and correlation coefficients. Chi-square tests adjusted correctly Type I error rates to the nominal significance level while the S&H procedures showed higher rates; consequently, the S&H procedures presented greater statistical power. In all conditions, the statistical power was very low, particularly when the sample had few studies, small sample sizes, and presented short differences between the parametric effect sizes. Finally, the criteria for selecting homogeneity tests are discussed.     

Research instrumentation and institutional innovation in canada

Science policy is being challenged. Conceptions of innovation and the nature of research are rapidly being forced beyond traditional views which see innovation as a linear process and science policy in terms of funding issues. Indeed, the policy challenge is being defined by the tension between trying to conduct or encourage research that is at or near an expanding research frontier, while simultaneously functioning within 'steady state' fiscal environments. One key manifestation of this challenge—which is underpinned by a new social contract between the scientific and government communities—is being expressed in terms of the changing role that research instrumentation is playing with regard to research management, research policy and research planning. This paper examines several Candian example f the changing nature of research, with particular reference to the role of instrumentation; it also outlines the particular challenges that small open econmies must face with respect to instrument-intensive research and offers a possible taxonomy for analyzing innovation and policy options.     

Non-profit organizations,entrepreneurship, social capital and economic growth

Traditional economic growth literature focuses mainly on the neoclassical approach. According to this view, firms try to maximize their benefits so that there is no place for non-profit organizations (NPOs). However, the activity of NPOs has a higher relevance in society, and it is necessary to analyze its effects on economic growth. These effects are not direct, but occur through other variables that directly promote economic growth, such as entrepreneurship activity and human capital, and through the improvement of education. We engage in an empirical analysis of these issues using data from 11 countries.     

“Do You Use English in Your Daily Life?” Undergraduate Students’ Perceptions of Their Extramural Use of English

The aim of this research is to analyse the students’ perceptions about their extramural use of English, comparing undergraduates studying their degree in English (EMI) with those studying theirs in their native language (non-EMI) within a span of five academic years. Data collected from a Spanish University suggest that the students´s interest and perception of their possibilities of working abroad in English differ. Results also reveal key differences in the use of extramural English and suggest that exposure to reading books or watching English-language films will eventually contribute to the formation of global mindset in students. The trend of the importance of English during a five year span is also considered, for both strands of students. This study makes a contribution in the field of teaching in international business settings for high education institutions.     

Growth machines and social movements in mature tourist destinations Costa del Sol-Málaga

Abstract

The purpose of this study is to analyse the new processes of tourism growth and its conflicts from the perspective of social movements. First, the urban growth machine analysis model is applied by the systematisation of six projects. Second, the resistance movements against those projects and whether this resistance could be the start of local tourism degrowth policies are examined. The methodology is qualitative, based on documentary analysis, participatory observation, discussion groups and interviews. The case study is the destination of Costa del Sol-Málaga. The results enable the development of the urban growth machine model in tourist destinations. Meanwhile, social movements demystify the argument based on neoclassical economic progress. The social movements condemn the effects of large-scale top-down projects, and implement alternative bottom-up proposals. Although the social movements do not reject tourism, they call for greater control over its impact, denounce unlimited growth, overtourism and the loss of urban quality of life. These movements advocate a lifestyle linked to the everyday space, which they believe is threatened by excessive urban-tourism growth. They are a symptom of the need to devise a proposal using the principles of degrowth.     

Profiling tourists based on their perceptions of the trustworthiness of different types of peer-to-peer applications

This research profiles tourists based on the extent to which they trust user-generated content (UGC) uploaded in different types of peer-to-peer applications, also considering their socio-demographic characteristics, frequency of travel and motivations for using the Internet and UGC when making their travel choices. For this purpose, latent class segmentation was applied on a sample of 609 Italian tourists and three different clusters were identified, namely: “distrustful tourists”, “untrusted tourists” and “social web tourists”. The findings suggest that hospitality marketers should improve their social media strategy by focusing their attention on Travel 2.0 applications according to the socio-demographic and behavioural characteristics of their target market.     

Incidence,effects, dynamics and routes out of overqualification in Europe: a comprehensive analysis distinguishing by employment status

This study aims to improve our understanding of overqualification by incorporating distinctions in employment status (i.e. self-employed workers, private employees and public employees) in the analysis of the incidence, effects, dynamics and routes out of overqualification. To this end, we apply discrete choice – ordered and nonordered – and count models to the data obtained from the European Community Household Panel for the EU-15. Our results indicate that the incidence of overqualification varies by employment status, where self-employed workers report the lowest occurrence. Furthermore, this analysis suggests that overqualification is a permanent phenomenon and demonstrates that successful pathways out of overqualification differ by employment status. The implications of these results for education and labour market policies are also discussed.     

Identifying the Transition from Efficient-Market to Herding Behavior: Using a Method from Econophysics

We test whether “detrended fluctuation analysis” (DFA)—an econophysics method—identifies the transition from efficient-market trading to herding behavior and the rise of the NASDAQ dot.com stock market bubble. DFA divides a time series into “segments” of varying lengths and then tests whether power-law distributions exist within the segments. A power-law distribution of stock-price changes within a segment indicates herding behavior and the start of the dot.com bubble. The clarity of the transition indication depends on both segment lengths and segment starting dates. Our findings show that DFA can be used to identify the beginning of stock-market bubbles but not the beginning of crashes.