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991.
Pei-Chun Lee Author Vitae Hsin-Ning Su Author Vitae Feng-Shang Wu Author Vitae 《Technological Forecasting and Social Change》2010,77(3):466-478
This study aims to obtain global technology evolution by constructing and analyzing patent citation network and patent citation map for the field of electrical conducting polymer nanocomposite. A total of 1421 patents are retrieved from USPTO patent database and patent citation network is established by combing both patent citation and social network analysis. Network properties, e.g. Degree Centrality, Betweenness Centrality, and Closeness Centrality, are calculated for representing several technology evolution mechanisms that first proposed in this study. Also, a distance-based patent citation map is constructed by calculating relative distances and positions of patents in the patent citation network. Quantitative ways of exploring technology evolution are investigated in this study to unveil important or emerging techniques as well as to demonstrate dynamics and visualization of technology evolutions. 相似文献
992.
Patterns of maritime supply chains: slot capacity analysis 总被引:2,自引:0,他引:2
Jasmine Siu Lee Lam 《Journal of Transport Geography》2011,19(2):366-374
This paper offers a tool for analysing patterns of maritime supply chains. The study uses empirical data on slot capacity deployed by container shipping lines for analysing ports (as nodes) and routes and shipping lines (as links) that are embedded within the maritime supply chain. The ports of Singapore and Hong Kong are chosen to illustrate the respective transhipment and gateway perspectives. Findings reveal that geographical location and changes in the constitution of players can have reverberations on the maritime supply chain dynamics that traverse the port. Furthermore, evidence from trade route data also shows that maritime supply chain dynamics associated with transhipment and gateway ports could be governed by different levels of scope economies, demand complementarity and market power. The paper illustrates the abundant potential of slot capacity analysis for academic and industry/market research. Thus, future research can be pursued in various contexts and for different applications. 相似文献
993.
ABSTRACT This report presents the first study to address sentiment toward advertising, materialism, and vanity in the globalized city of Dubai. A conceptual model is developed and subsequent hypotheses are tested via structural equation modeling. The main research findings suggest that consumers in Dubai exhibit positive perceptions of advertising as well as higher levels of materialism and vanity. Sentiment toward advertising is found to positively influence materialism levels, while materialism strongly influences views, concern for physical appearance, and personal achievement. Sentiment toward advertising, however, has no direct effect on any vanity trait, suggesting that vanity is more an internal personal trait. 相似文献
994.
This study examines the effect of reforms in the Korean financial reporting systems on earnings quality through an investigation
of two sample periods: (1) prior to, and (2) after the 1997 financial crisis in Korea. The results indicate that financial
sector reforms have reduced the opacity of Korean firms’ earnings reports. 相似文献
995.
996.
When analysing the behavior of investors, the emphasis is usually on positive feedback and herding behavior, and the existing literature abounds with studies on the domestic strategy of mutual funds or on their impact. Due to the advantages in terms of the data, many studies investigate US data. However, with the increased flows of capital into emerging markets, studying the behavior of international mutual funds in emerging markets has become more and more important. Nevertheless, studies involving emerging markets are relatively rare. This study examines whether the positive feedback effect and herding behavior exist in Asian markets based on mutual fund data covering the period from 1996 to 2004. The long period enables us to test the sensitivities under the following four conditions, namely the capital volatility (volatile vs. stable), the degree of suffering during the Asian crisis (more suffering vs. less suffering), and the timing of the Asian crisis (pre-, during, and post-crisis), using the exchange rate regime. It was found in this study that mutual fund inflows into the Asian market were attracted by positive stock returns and currency appreciation. Furthermore, it was found that the positive feedback effect and herding behavior did exist in the Asian markets. However, the extent of the above behavior is not the same under different conditions. 相似文献
997.
We examine the relationship between the directly observable indicator of new technology, information and communication technology (ICT) investment intensity, and skill upgrading by analyzing changes in employment and wage structure of 25 Korean industrial sectors over the 1993–1999 period. The estimation results indicate the following implications. First, although ICT expenditure and investment have increased sharply since 1993, it appears that ICT investment has begun to be complementarily combined with skilled labor only since 1996. Second, our results support the ‘limited substitution hypothesis’. ICT has substituted low-skilled non-production workers, whereas the increased demand for high-skilled workers is driven by ICT diffusion in the second sub-period. This asymmetric trend between high-skilled and low-skilled non-production workers in Korea reveals significant differences in comparison with the experiences of other OECD countries. Third, the existence of substitutability between ICT diffusion and low-skilled non-production workers in Korea may cast doubt on the appropriateness of the non-production workers' category, a category regarded as a proxy variable of high-skilled workers in most previous studies. 相似文献
998.
This paper empirically tests the liquidity-adjusted capital asset pricing model of Acharya and Pedersen (2005) on a global level. Consistent with the model, I find evidence that liquidity risks are priced independently of market risk in international financial markets. That is, a security’s required rate of return depends on the covariance of its own liquidity with aggregate local market liquidity, as well as the covariance of its own liquidity with local and global market returns. I also show that the US market is an important driving force of global liquidity risk. Furthermore, I find that the pricing of liquidity risk varies across countries according to geographic, economic, and political environments. The findings show that the systematic dimension of liquidity provides implications for international portfolio diversification. 相似文献
999.
The paper analyzes the stylized features of historical crisis episodes for 21 developing Asian economies over 1961–2007. The paper finds that while there is substantial diversity, on average, recessions and financial downturns are more frequent, longer lasting, and more severe in Asia than in the Organisation for Economic Co-operation and Development countries. The paper also finds that the likelihood and severity of a recession tends to increase when it is associated with credit crunches or stock market crashes. Severe financial downturns or recessions in the global economy are often coupled with financial crises or recessions in Asia. In view of the current global crisis and severe financial downturns, Asian economies are expected to experience a severe recession in 2009. 相似文献
1000.