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151.
In most over‐the‐counter (OTC) markets, a small number of market makers provide liquidity to other market participants. More precisely, for a list of assets, they set prices at which they agree to buy and sell. Market makers face therefore an interesting optimization problem: they need to choose bid and ask prices for making money while mitigating the risk associated with holding inventory in a volatile market. Many market‐making models have been proposed in the academic literature, most of them dealing with single‐asset market making whereas market makers are usually in charge of a long list of assets. The rare models tackling multiasset market making suffer however from the curse of dimensionality when it comes to the numerical approximation of the optimal quotes. The goal of this paper is to propose a dimensionality reduction technique to address multiasset market making by using a factor model. Moreover, we generalize existing market‐making models by the addition of an important feature: the existence of different transaction sizes and the possibility for the market makers in OTC markets to answer different prices to requests with different sizes. 相似文献
152.
Olivier Colot Jonathan Bauweraerts 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2014,31(3):149-159
The literature on family SMEs usually shows a negative influence of succession on performance. Based on a behavioural approach, we identify several advantages of intrafamily succession that enhance value creation. In order to confirm the positive impact of intrafamily succession on performance, a matched pair research design is used to compare the effect of succession between 102 family and nonfamily SMEs. Our results indicate that intrafamily succession contributes to value creation in family SMEs. Moreover, intrafamily succession leads to higher levels of performance in comparison with nonfamily SMEs experiencing succession and ownership transfer. Copyright © 2014 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
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Ghulam Murtaza Muhammad Abbas Usman Raja Olivier Roques Afsheen Khalid Rizwan Mushtaq 《Journal of Business Ethics》2016,133(2):325-333
This study examines the impact of Islamic Work Ethic (IWE) on organizational citizenship behaviors (OCBs) and knowledge-sharing behaviors (KSBs) among university employees in Pakistan. A total of 215 respondents from public sector educational institutions participated in this research. The findings suggest that IWE has a positive effect on OCBs. In other words, individuals with high IWE demonstrate more citizenship behaviors than those with low IWE. The findings also suggest a positive effect of IWE on KSBs. Individuals with high IWE exhibit more KSBs than those with low IWE. The paper also discusses the theoretical and practical implications of these findings. 相似文献
156.
Panagiotis Th. Konstantinou 《Economics Letters》2010,106(3):166-168
The relative contribution of the trade and financial channels for correcting cyclical external imbalances of the US is decomposed by horizon. Valuation effects contribute for horizons up to a year, while trade flows for horizons up to 4 years. 相似文献
157.
Pleasure and the Control of Food Intake: An Embodied Cognition Approach to Consumer Self‐Regulation
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Olivia Petit Frédéric Basso Dwight Merunka Charles Spence Adrian David Cheok Olivier Oullier 《心理学和销售学》2016,33(8):608-619
Consumers try to avoid temptation when exposed to appetizing foods by diverting their attention away from their senses (e.g., sight, smell, mouthfeel) and bodily states (e.g., state of arousal, salivation) in order to focus on their longer term goals (e.g., eating healthily, achieving an ideal body weight). However, when not including sensations in their decision‐making processes, consumers risk depleting their self‐regulatory resources, potentially leading to unhealthy food choices. Conversely, based on the concept of “embodied self‐regulation,” the suggestion is made that considering bodily states may help consumers regulate their food choices more effectively. A new model is proposed that facilitates understanding observed consumer behavior and the success or failure of self‐control in food intake. It is argued that bodily states and sensory information should be considered when modeling consumer behavior and developing health‐related advocacy and communication campaigns. The model proposed here leads to new perspectives on consumer consumption behavior and health policy research and strategies. 相似文献
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J. G. M. Hilhorst Th. van de Klundert F. Hartog Sj. Muller A. Waarts 《De Economist》1972,120(4):378-389
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A. Heertje S. K. Kuipers P. Hennipman D. B. J. Schouten J. Tinbergen W. H. Somermeyer P. D. van Loo C. J. van Eijk A. M. van Nunen A. P. Barten C. de Galan K. Groenveld H. Jager F. de Roos L. B. M. Mennes J. M. G. Kleinpenning J. Oosterhaven J. K. T. Postma F. Muller H. van Leeuwen F. Hartog P. de Wolff Th. Junius H. G. Hubbeling J. Pen G. W. Schoch P. S. H. Leeflang P. S. Zwart J. Th. Degenkamp J. D. van der Wal H. G. Sol 《De Economist》1976,124(1-2):148-241
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