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31.
We examine how investors strategically spoof the stock market by placing orders with little chance of being executed, but which mislead other traders into thinking there is an imbalance in the order book. Using the complete intraday order and trade data of the Korea Exchange (KRX) in a custom data set identifying individual accounts, we find that investors strategically placed spoofing orders which, given the KRX's order-disclosure rule at the time, created the impression of a substantial order book imbalance, with the intent to manipulate subsequent prices. This manipulation, which made use of specific features of the market microstructure, differs from previously studied forms of manipulation based on information or transactions. Roughly half of the spoofing orders were placed in conjunction with day trading. Stocks targeted for manipulation had higher return volatility, lower market capitalization, lower price level, and lower managerial transparency. We also find that spoofing traders achieved substantial extra profits. The frequency of spoofing orders decreased drastically after the KRX altered its order-disclosure rule. 相似文献
32.
A new gender wage gap decomposition methodology is introduced, which does not suffer from identification problems caused by unobserved nondiscriminatory wage structure. The methodology is used to measure the relative size of Korean gender wage gaps, from 1994 to 2000 across industries, differentiated by industrial knowledge intensity, where knowledge intensity is the extent to which industries produce or employ high-technology products. Korea represents an important case study, since it possesses one of the fastest growing knowledge-intensive economies among industrialized countries. Empirical results indicate that over this period, discrimination (the unexplained portion of the gender wage gaps) in Korea was statistically smaller in knowledge-intensive industries than in industries with low knowledge intensity. Also, discrimination was declining on average over the period. This suggests that continued growth in knowledge-intensive industries in Korea may lead to further declines in the overall gender gap. 相似文献
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Manfred G?rtner Bj?rn Griesbach Florian Jung 《International Advances in Economic Research》2011,17(3):288-299
This paper asks whether rating agencies played a passive role or were an active driving force during Europe??s sovereign debt crisis. We address this by estimating relationships between sovereign debt ratings and macroeconomic and structural variables. We then use these equations to decompose actual ratings into systematic and arbitrary components that are not explained by previously observed procedures of rating agencies. Finally, we check whether systematic, as well as arbitrary, parts of credit ratings affect credit spreads. We find that both do affect credit spreads, which opens the possibility that arbitrary rating downgrades trigger processes of self-fulfilling prophecies that may drive even relatively healthy countries towards default. 相似文献
35.
This study investigates the effects of online loyalty programs in the customer satisfaction‐loyalty relationship. It is proposed that loyalty programs may induce loyalty toward programs (program loyalty), which may then influence loyalty toward stores (store loyalty). According to the results of a two‐wave survey, consumption goals matter in the effects of program loyalty on online store loyalty. For consumers with hedonic goals, hedonic program loyalty (e.g., free gifts) has a significant effect on online loyalty. For consumers with utilitarian goals, however, utilitarian program loyalty (e.g., coupons) has a significant influence on online loyalty. Theoretical and managerial implications are also discussed. 相似文献
36.
Jung Gun Kim 《Global Economic Review》2013,42(1):77-99
Abstract The world oil price has risen significantly since the late 1990s and reached a record high in 2008. The recent oil price hike raises concerns regarding the possible negative effects of the rising oil price on the economy as in the 1970s. We investigate the effects of the oil price hike on the Korean economy using a Bayesian dynamic stochastic general equilibrium (DGSE) model. We explicitly model the small open economy nature of the Korean economy and its oil usage and estimate the constructed model within a unified Bayesian framework. We also examine possible changes in the effects of world oil shocks on the Korean economy using counterfactual simulations. We find the adverse effects of world oil shocks as well as their importance in Korean business cycles have diminished due to reductions in the relative usage of crude oil in the economy, while world oil shocks themselves have changed relatively little over time. 相似文献
37.
The objectives of this study are to explore the food-related lifestyle segments of the mature market, to identify its socio-demographic characteristics, and to investigate the differences in their attitudes toward Home Meal Replacement (HMR). A survey was conducted of adults 55 years of age and older living in Seoul, South Korea. Out of the 600 distributed questionnaires, 361 were retained for final analysis, which is a response rate of 60%. Cluster analysis identified five consumer segments. Significant differences were found among the five segments in terms of socio-demographic characteristics and attitudes toward HMR. This study shows operators of HMR the patronage motives and attributes that each segment values when considering HMR. 相似文献
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Scholars have an enduring interest in investigating whether a new medium displaces or complements existing media whenever a new medium is introduced to the society. In this study, it is sought to investigate the extent to which the mobile phone would replace or reinforce teens’ traditional Internet use through computers. Surveys were conducted on 1875 youths between 12 to 17 years old in 5 digital cities in East Asia: Hong Kong, Seoul, Singapore, Taipei, and Tokyo. The findings profile a digital generation that is highly connected in the 21st century. Ninety percent of all respondents used the Internet. Almost 90% of the teens in this study used the mobile phone, and two-thirds of them ever surfed the Web via their mobile devices. Through a factor analysis, three dimensions of teens’ use of mobile Internet were identified, namely, task-based activities, information seeking and communication activities, and recreational activities. In general, the teens tend to use the mobile phone for recreation and entertainment purposes, especially playing games and listening to music. They are less likely to use the mobile phone for more sophisticated purposes, such as petitioning, voting, or shopping. Drawing upon the niche theory, the patterns between teens' mobile Internet and PC Internet use were further compared. Our analysis shows that mobile Internet primarily serves as an extension of teens’ Internet activities via PC, rather than as a replacement. Such positive relationships are quadratic and non-linear. 相似文献
40.
Tourists’ virtual reality adoption: an exploratory study from Lake District National Park 总被引:1,自引:0,他引:1
Virtual reality (VR) transforms the way destinations market their tourism offerings. To fully understand the opportunities of a technology, initial research is required assessing user adoption. However, empirical research and particularly exploratory qualitative research on VR adoption in tourism context is limited. Therefore, this study uses an exploratory interview approach with 35 participants near Lake District National Park, UK. Using thematic analysis, this study explores factors that influence VR adoption as well as the influencing factors on tourists’ behavioural intentions. This study adds to academia by qualitatively exploring the adoption of a scarcely researched technology within the tourism context. 相似文献