GENERAL INFORMATIONWorld Jonrnal of Gastroenterology （World J Gastroenteroi ISSN 1007-9327, DOI： 10.3748） is a weekly peer reviewed, online, open-access （OA） journal supported by an editorial board of 1126 expert...GENERAL INFORMATIONWorld Jonrnal of Gastroenterology （World J Gastroenteroi ISSN 1007-9327, DOI： 10.3748） is a weekly peer reviewed, online, open-access （OA） journal supported by an editorial board of 1126 experts in gastroenterology and hepatology from 60 countries.展开更多
GENERAL INFORMATIONWorld Journal of Gastroenterology （World J Gastroenterol ISSN 1007-9327 CN 14-1219/R） is a weekly open-access （OA） peer reviewed journal supported by an editorial board consisting of 1179 expert...GENERAL INFORMATIONWorld Journal of Gastroenterology （World J Gastroenterol ISSN 1007-9327 CN 14-1219/R） is a weekly open-access （OA） peer reviewed journal supported by an editorial board consisting of 1179 experts in gastroenterology and hepatology from 60 countries.展开更多
Cash position, held by mutual fund with purpose to satisfy investors′ redemption, will inevitably generate certain amount of cost. In this paper, the total cost caused by cash position is divided into opportunity cos...Cash position, held by mutual fund with purpose to satisfy investors′ redemption, will inevitably generate certain amount of cost. In this paper, the total cost caused by cash position is divided into opportunity cost and shortage cost, and a model is constructed to describe the relationship between total cost and cash position along with investors′ purchase and redemption, from which the formula of optimal cash position is deduced. Finally, the adjustment of optimal cash position in different market situations is discussed.展开更多
All manuscripts should be submitted electronically via PEDOSPHER, E Online Editorial System （POES）, the web-based online manuscript submission, tracking, peer-review and editorial management system of PEDOSPHERE, at...All manuscripts should be submitted electronically via PEDOSPHER, E Online Editorial System （POES）, the web-based online manuscript submission, tracking, peer-review and editorial management system of PEDOSPHERE, at http：//pedosphere.issas.ac.cn, where a detailed information for contributors to PEDOSPHERE is available. Please consult carefully the style and layout of the latest issues of PEDOSPHERE and pay special attention to the following notes：展开更多
文摘GENERAL INFORMATIONWorld Jonrnal of Gastroenterology （World J Gastroenteroi ISSN 1007-9327, DOI： 10.3748） is a weekly peer reviewed, online, open-access （OA） journal supported by an editorial board of 1126 experts in gastroenterology and hepatology from 60 countries.
文摘GENERAL INFORMATIONWorld Journal of Gastroenterology （World J Gastroenterol ISSN 1007-9327 CN 14-1219/R） is a weekly open-access （OA） peer reviewed journal supported by an editorial board consisting of 1179 experts in gastroenterology and hepatology from 60 countries.
文摘Cash position, held by mutual fund with purpose to satisfy investors′ redemption, will inevitably generate certain amount of cost. In this paper, the total cost caused by cash position is divided into opportunity cost and shortage cost, and a model is constructed to describe the relationship between total cost and cash position along with investors′ purchase and redemption, from which the formula of optimal cash position is deduced. Finally, the adjustment of optimal cash position in different market situations is discussed.
文摘All manuscripts should be submitted electronically via PEDOSPHER, E Online Editorial System （POES）, the web-based online manuscript submission, tracking, peer-review and editorial management system of PEDOSPHERE, at http：//pedosphere.issas.ac.cn, where a detailed information for contributors to PEDOSPHERE is available. Please consult carefully the style and layout of the latest issues of PEDOSPHERE and pay special attention to the following notes：
