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131.
132.
Henryk Gurgul Paweł Majdosz Roland Mestel 《Financial Markets and Portfolio Management》2007,21(3):353-379
This study provides empirical evidence of the joint dynamics between stock returns and trading volume using stock data of
DAX companies. Contemporaneous as well as dynamic interactions are investigated for a period from January 1994 to December
2005 on a daily basis. Our results suggest that there is almost no relationship between stock return levels and trading volume
in either direction. We find that trading volume is contemporaneously positively related to return volatility. In addition,
we establish that lagged return volatility induces trading volume movements. Finally, we examine dependencies in the tails
and find no significant support for the hypothesis of the independence of the maximal values of absolute returns and trading
volume.
相似文献
Roland Mestel (Corresponding author)Email: |
133.
Roland Hodler 《International Tax and Public Finance》2007,14(5):525-541
We introduce foreign aid and a rent seeking contest for public funds into the Barro (JPE 1990) growth model. We find that aid effectiveness depends on fiscal policies, the level of aid inflows and the quality of
institutions that restrict appropriation of public funds by rent seeking agents. These results can be shown to be consistent
with the best established findings in the empirical literature on aid effectiveness. Rent seeking may thus indeed be a major
determinant of aid effectiveness. We further discuss how aid effectiveness depends on the way foreign aid is disbursed and
on the determinants of institutional quality.
JEL Classification F35 · D72 · D9 · H2 相似文献
134.
By examining stock market reactions to the announcement of operational losses by financial companies, this paper attempts to disentangle operational losses from reputational damage. Our analysis deals with 154 events coming from the FIRST database of OpVantage. Events occurred between 1990 and 2004 in companies belonging to the financial sector and that are listed on the major European and US Stock Exchanges. Results show significant, negative abnormal returns at the announcement date of the loss, along with an increase in the volumes of trade. In cases of internal fraud, the loss in market value is greater that the operational loss amount announced, which is interpreted as a sign of reputational damage. Negative impact is proportionally greater when the loss amount represents a larger share in the company’s net profit. 相似文献
135.
Advancements in technology are radically transforming service, and increasingly providing the underlying basis for service strategy. In this paper, we develop a typology and positioning map for service strategy, in the context of rapid technological change, and outline the process for firms to position or reposition their service strategies. Which strategy to choose is based on the degree to which customer demand is heterogeneous, and the degree to which potential customer lifetime value varies across customers. This results in four strategies: the McService strategy that is standardized and transactional, the Relational Service strategy that is standardized and relational, the Customized Transaction strategy that is personalized and transactional, and the Adaptive Personalization strategy that is personalized and relational. We provide firms a roadmap for identifying a “sweet spot” strategy in relation to a segment’s realized or potential customer lifetime value, combined with the firm’s technological capabilities. Because technological capabilities inevitably advance, firms will tend to move from standardized to personalized and from transactional to relational over time, implying that firms should be alert to technological opportunities to personalize their relationships with customers. Our strategic framework also produces a useful bridge from marketing practice to the conceptual evolution of the service literature, showing how the historical trends toward continuing customer relationships and co-productive personalization should drive strategic thinking in service. 相似文献
136.
Cellular phones are considered one of the success stories of contemporary technology diffusion: there are three billion cellular telephones globally, and just over six billion people. This article describes the distributional boundary of the cellular telephone enterprise, as we see it in data from Mozambique. A telephone survey of mobile phone users there revealed that men outnumbered women, especially at higher levels of service and that most were urban, with a particular concentration in the capital city. Thus while pre-paid telephone plans have made basic cellular service affordable to many Mozambicans, the lack of rural infrastructure stills puts access out of the reach of a majority. In addition, pre-paid users pay more per minute for their service—probably not a fair situation for the poor families that tend to take this route to telecommunications. 相似文献
137.
Claudia Doblinger Michael Dowling Roland Helm 《Entrepreneurship & Regional Development》2016,28(1-2):126-156
This study extends theory on the effects of public policies stimulating technology demand and of industry network ties on firm-level entrepreneurial behaviour. We take an institutional perspective to develop a theoretical model examining the mechanisms through which public policies, regulatory uncertainty, and industry network ties affect firm-level entrepreneurial decision-making processes and the ability to introduce highly innovative products and to sustain superior performance. We focus on firm-level effects, which enables the study of the tension between institutional pressures of homogeneity and competitive pressures of heterogeneity for entrepreneurial decision-making processes in environments characterized by policy-induced market demands. To test our hypotheses, we draw on data from a large-scale survey among German renewable energy firms. Our results show that public policies can constrain firm innovativeness and risk-taking behaviour because they steer firms towards a more conservative attitude and discourage the pursuit of high-risk innovation projects. However, firms can counteract these influences and enhance their innovativeness by maintaining close network ties with research associations as we find that innovativeness and a highly innovative product portfolio are key success factors. In summary, these findings provide important implications for the study of public policy effects, industry network ties and entrepreneurial behaviour. 相似文献
138.
Enterprise system (ES) adoption can bring many benefits, but may also put tremendous strain on an organisation or business, sometimes with disastrous outcomes. The specific motivations and expectations that lead to ES adoption may impact the success or failure of these endeavours, and understanding these motivations may be useful in predicting the success of ES projects. Most of the published research on ES adoption motivation has been in the context of highly developed countries. The social, cultural, economic and political conditions in developing, emerging and transition economies make for a different business environment, and insights obtained from developed countries may not always transfer to these settings. This study seeks to identify and help understand the motivations for ES adoption specifically in transition economies, as these economies play a significant role in the global market, but have not been receiving adequate research attention. Drawing on the experience of 129 ES adopters in Poland, a transition economy, this study categorises motivations into coherent groups of issues and evaluates the influence of discovered motivations on ES adoption success. Further, motivations revealed by this study are compared with motivations reported by prior research conducted in developed countries. 相似文献
139.
We present a benchmark model for the optimal speed of transition from a state-owned to a private market economy, based on the consumption-savings decision in a closed economy. We abstract from frictions to focus on the macroeconomic conditions for accumulation of private capital and closure or restructuring of state-owned enterprises. It is shown that hard budget constraints compensate for too slow speed of enterprise closure but that an excess speed of closure may slow down transition because of output contraction effects. This will especially be the case if such a deviation occurs at early stages of transition. 相似文献
140.
It's All About CareerSKILLS: Effectiveness of a Career Development Intervention for Young Employees 下载免费PDF全文
Jos Akkermans Veerle Brenninkmeijer Wilmar B. Schaufeli Roland W. B. Blonk 《人力资源管理》2015,54(4):533-551
The aim of our study was to investigate the effectiveness of the CareerSKILLS program, a career development intervention based on career competencies and the JOBS methodology, which aims to stimulate career self‐management and well‐being of young employees. In a quasi‐randomized control trial, the effects of the program were tested in a homogeneous sample of young employees with intermediate vocational education (Nintervention = 112, Nnon‐intervention = 61) and in a heterogeneous sample of employees from a special reintegration program (Nintervention = 71, Nnon‐intervention = 41). Our results support the effectiveness of the intervention: participants of the CareerSKILLS program, versus a control group, showed increases in six career competencies (reflection of motivation, reflection on qualities, networking, self‐profiling, work exploration, and career control), self‐efficacy, resilience against setbacks, career‐related behaviors, perceived employability, and work engagement. These results provide empirical support for the effectiveness of the CareerSKILLS program. Theoretical and practical implications are discussed. © 2014 Wiley Periodicals, Inc. 相似文献