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排序方式: 共有491条查询结果,搜索用时 78 毫秒
1.
Emilio Said Ahmed Bel Hadj Ayed Damien Thillou Jean-Jacques Rabeyrin Frédéric Abergel 《Quantitative Finance》2021,21(1):69-84
This paper deals with a fundamental subject that has seldom been addressed in recent years, that of market impact in the options market. Our analysis is based on a proprietary database of metaorders—large orders that are split into smaller pieces before being sent to the market—on one of the main Asian markets. In line with our previous work on the equity market [Said, E., Bel Hadj Ayed, A., Husson, A. and Abergel, F., Market impact: A systematic study of limit orders. Mark. Microstruct. Liq., 2018, 3(3&4), 1850008.], we propose an algorithmic approach to identify metaorders, based on some implied volatility parameters, the at the money forward volatility and at the money forward skew. In both cases, we obtain results similar to the now well-understood equity market: Square-Root Law, Fair Pricing Condition and Market Impact Dynamics. 相似文献
2.
The nature and magnitude of the economic shocks that have affected the per capita GDP of 16 OECD countries are analyzed over a long period using the outlier method. Strong proof of infrequent large permanent and transitory shocks were found, essentially resulting from the two major wars in the twentieth century, the recession in the 1920s, the Great Depression, among others. We also examine the nature of the output trend by combining different tests of non-stationarity on different GDP series corrected by the outliers detected. It is shown that the per capita GDP series cannot reject the unit root hypothesis in 13 of the 16 countries examined. No conclusion could be drawn for the other countries because the test results were contradictory. 相似文献
3.
Claude Henry 《International Advances in Economic Research》1997,3(3):255-268
In recent years, the Treaty of the European Union and the European institutions have had a rapidly increasing impact on the
reorganization of commercial public services within the Member States. The trend has been dual—toward liberalization and toward
harmonization of standards and national legislations. Progress is reported and analyzed in telecommunications, rail services,
and electricity. A general concern is to reconcile legitimate public service obligations with the rules of competition that
are prominent in the Treaty. New forms of regulation are tested in various countries preparing for the emergence of a European
regulation framework. 相似文献
4.
5.
A. Pr. t. d. H. 《De Economist》1872,21(2):1057-1062
6.
7.
David?SmallboneEmail author Anna?Rogut 《The International Entrepreneurship and Management Journal》2005,1(2):219-240
The paper considers the main threats and opportunities for SMEs in new member states, arising out of EU membership, including the implications for SMEs at the micro level. Whilst accession-related changes have important potential implications for firms of all sizes, the distinctive size-related characteristics of SMEs affect their ability to identify, cope with and respond to new sources of threat and opportunity. These potential impacts face new member countries at a relatively early stage in the development of market-based systems, which still contain many deficiencies (particularly in institutional terms) and a SME sector with many characteristics that reflect its fledgling status. 相似文献
8.
Julie A. Ruth Frédéric F. Brunel Cele C. Otnes 《Journal of the Academy of Marketing Science》2002,30(1):44-58
While emotions have been shown to have significant influence on various consumer behaviors, the cognitive appraisals linked
to consumption emotions have not been fully explored. This research investigates how individuals' cognitive interpretations
of situations correspond to the emotions they experience in these contexts. Using analysis of variance and multiple discriminant
analysis, our results show a systematic relationship between cognitive appraisals and 10 consumption emotions. The author's
findings offer theoretical insights into these consumption emotions, the appraisal/consumption emotion correspondence, basisversus
subordinate-level category differences in emotions, and mixed consumption emotions. The findings provide a practical framework
for academics and practitioners interested in better understanding and managing consumption emotions.
Julie A. Ruth (Ph.D., University of Michigan) is an assistant professor of marketing in the School of Business—Camden at Rutgers University.
Her research interests include affect and emotions, consumer relationships, and consumer response to brand strategies such
as brand alliances and sponsorships.
Frédéric F. Brunel (Ph.D., University of Washington) is an assistant professor of marketing in the School of Management at Boston University.
His research interests include consumer perceptions of product design and aesthetics, consumer attitude and affect, and gender
and sociocultural issues in consumption.
Cele C. Otnes (Ph.D., University of Tennessee) is an associate professor of business administration in the College of Commerce and Business
Administration at the University of Illinois, Urbana. Her research interests include consumer rituals, affect and consumer
ambivalence, and gift exchange. 相似文献
9.
Anthony Bellotti Damiano Brigo Paolo Gambetti Frédéric Vrins 《International Journal of Forecasting》2021,37(1):428-444
We compare the performance of a wide set of regression techniques and machine-learning algorithms for predicting recovery rates on non-performing loans, using a private database from a European debt collection agency. We find that rule-based algorithms such as Cubist, boosted trees, and random forests perform significantly better than other approaches. In addition to loan contract specificities, predictors that refer to the bank recovery process — prior to the portfolio’s sale to a debt collector — are also shown to enhance forecasting performance. These variables, derived from the time series of contacts to defaulted clients and client reimbursements to the bank, help all algorithms better identify debtors with different repayment ability and/or commitment, and in general those with different recovery potential. 相似文献
10.
Claude Meidinger Jean-Louis Rullière Marie-Claire Villeval 《Experimental Economics》2003,6(3):253-272
This paper reports the results of an experiment on how team heterogeneity in terms of productivity influences both the revenue sharing proposed by the principal to the team and the employees' performance. Experimental evidence shows that when the team is heterogeneous, the principal does not try to motivate the agents through her sharing offer. Regardless of the level of team-based compensation, a large amount of free riding occurs since each agent is mainly influenced by his teammate's behavior. In contrast, when the team is homogeneous, agents are better able to cooperate, reciprocating the principal's offer. 相似文献