The law of one price,noise and “irrational exuberance”: the auction market for Picasso prints

We use prices realized for Picasso prints at auctions worldwide, as well as the 100 prints that comprise his Vollard Suite, to test the law of one price: the proposition that identical art objects sold contemporaneously should command the same price regardless of the auction house or geographic region where the sale takes place. Picasso is the most prolific printmaker of the twentieth century and, from 1977 to 2004, his prints appreciated in price significantly faster than the prints of modern masters as a whole. We find that Picasso prints sold in the United States command higher prices than in Europe. However, prices realized at Sotheby’s in New York are no longer higher than at Christie’s in New York, nor at Kornfeld than at other auction houses. We find evidence of “irrational exuberance” in the transitory nature of the extraordinary prices realized for the Picasso prints included in the 1997 sale of the collection of Victor and Sally Ganz at Christie’s in New York. More generally, we find substantial noise in auction outcomes, a result well known to savvy auction goers.

拓展中华民族传统体育的休闲空间

中华民族传统体育存在于现代的夹缝之中,时代的进步亦即宣告古老民族传统体育的生存土壤随之消亡,按照西方体育的模式对民族传统体育进行改造无异于削足适履。休闲是人类社会发展的产物,是社会进步的标志,民族传统体育的存在状态与休闲文化不谋而合,其常使人置身于人类童年的嬉戏。休闲问题的中国化需要用我们自己的方式来解决,中华民族各具特色、风采各异的传统体育应借助其“天然绿色”、原生态、乡土游乐、自然和谐的价值重获新生。在实际工作中,应借助休闲文化与民族传统体育的自身特点,改造民族传统体育项目,拓展节庆旅游市场,开展农村休闲体育活动,普及休闲知识,实现中华民族传统体育的伟大复兴。     

Reducing adolescents' involvement with relational aggression: Evaluating the effectiveness of the Creating A Safe School (CASS) intervention

This study examined the effectiveness of a comprehensive, school‐based intervention program, Creating A Safe School (CASS; The Ophelia Project) designed to reduce relational aggression (RA) and relational victimization (RV). Sixth‐grade students (N = 406) were surveyed before and after the intervention. Program effects were tested using a repeated‐measures design. Results revealed significant reductions in RA and RV among students who reported initially high levels of involvement. Findings also showed that decreasing approval of RA accounted for a significant amount of variance in changes in RA between pre‐ and posttest. These results provide initial evidence of the effectiveness of the CASS intervention model in reducing RA among early adolescents. © 2010 Wiley Periodicals, Inc.     

Books for the hospital emergency service

This is a list of books that should be available in either the hospital emergency room or the medical library. The forty-nine books listed are divided into the following categories: General, Surgery and Trauma, Burns, Cardiology, Dentistry, Disaster Medicine, First Aid, Geriatrics, Obstetrics, Pediatrics, Psychiatry, Toxicology, and Transportation. An asterisk has been placed before twelve books that are particularly recommended for the hospital emergency room as well as the medical library. The latest edition is given for each book, and, unless otherwise noted, each has been annotated by one of the authors.     

Establishing a medical library network for the Metropolitan Detroit Area

Since 1962 the members of the loosely organized Detroit Medical Library Group have carried on a slow but steady self-examination program. They found a need to increase resources and developed a periodical exchange, then a need to identify these resources and did so by means of a serials list. More recently, a similar program for texts and monograph resources was begun. Data, more particularly that of the interlibrary loan process, is being gathered to show the flow within the area and the flow from outside to further identify the existing resources. They have made contact with the administrators of the biomedical institutions and gained their backing (a) to further study the makeup of the community and (b) to formulate an administrative structure through which these institutions can act. These activities are evidence of the beginning of a strong medical library network for the Metropolitan Detroit Area.