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atypon文献求助
1 个回复 - 837 次查看
【作者(必填)】
Mukhopadhyay, S.K., Zhu, X.W., Yue, X.H.
【文题(必填)】
Optimal contract design for mixed channels under information asymmetry. Prod. Oper. Manag. 17 (6), 641–650.
【年份(必填)】
...
2018-9-12 00:39 - saitoniki - 求助成功区
关于练习题第六章第6题 surplus-share treaty
0 个回复 - 26 次查看
Delta Insurance Company has a surplus-share treaty with Eversafe Reinsurance. Delta
has a retention limit of $200,000, and nine lines of insurance are ceded to Eversafe. How
much will Eversafe pay i ...
2018-6-23 10:27 - Su_Soundsgreat - Forum
atypon文献求助
1 个回复 - 855 次查看
Motivational Considerations of the New Generations of Cruising
Author(s): Statia Elliot 1 * | HS Chris Choi 2
http://www.atypon-link.com/AAP/doi/abs/10.1375/jhtm.18.1.41
2011-10-10 16:20 - xiaojia0459 - 求助成功区
atypon文献
1 个回复 - 1428 次查看
Motivational Considerations of the New Generations of[/backcolor] Cruising[hr][/td][/tr]
[/table]
http://www.atypon-link.com/AAP/doi/abs/10.1375/jhtm.18.1.41
2011-10-13 19:17 - xiaojia0459 - 求助成功区
急求助stata datatype converting
9 个回复 - 3690 次查看
现在有组数列是str格式的
举个短例子就是像
Jan
Jan
Feb
Feb
…
Nov
…
Dec
这样的,
我现在想把它替换成 Jan=01, Feb=02……Dec=12的样子,
但是结果总是
. gen var1 = 01 if Month == Jan
...
2010-11-9 21:54 - 林壑清 - Stata专版
[感谢]citeulike或者atypon-link文献一篇
3 个回复 - 1503 次查看
篇名:The Increasing Returns Revolution in Trade and Geography
作者:Paul Krugman
期刊:AMERICAN ECONOMIC REVIEW
卷号及页码:june 2009,561-571
电子连接:http://www.atypon-link.com/doi/abs ...
2009-8-4 15:08 - yyc0714 - 文献求助专区
请教一个关于datatype转换的问题
2 个回复 - 2322 次查看
需要对一个string的varialbe a recode,我先generate a new variable,b内容和a一样.格式必须也一样,对b进行recode时,提示说string的数据不能进行recode. 实际上,a的内容都是数字,或是missing的,应该可以转换成numeric ...
2007-2-14 08:19 - vincent83829 - Stata专版