结果:找到“ABO”相关内容1000个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
用bdiff检验xtabond2 gmm估计的组间差异检验,总是提示“)required”
11 个回复 - 7142 次查看 如题,用xtabond2 gmm做了分组回归,用连老师的bdiff命令进行组间差异检验,stata总是提示“)required”, 检查之后也没缺括号呀,为什么会这种情况呢? 我的命令是 local m "xtabond2 y l.y combine comx $xx ...2019-7-7 18:18 - cueb周行 - Stata专版
xtabond2 求助呀
10 个回复 - 9121 次查看 刚接触stata 目前需要做AR(1)、AR(2)、Hansen、Sargan结果 找的陈强老师的书对着做的 输入 . xtabond2 Bu L(0/1) Ur Ag Ec Wa Id Se Ed, nolevel twostep (robust) 此,命令 结果显示了: Favoring space o ...2018-10-13 19:00 - 初生牛犊007 - Stata专版
xtabond2 做系统gmm需要控制时间效应吗
41 个回复 - 19121 次查看 如题,求教各位走过路过的大神,xtabond2 做系统gmm一定要控制时间效应吗?因为有看到期刊上的文章并没有控制,如果需要又该怎么设置命令,感谢2019-11-9 08:42 - fou9527 - Stata专版
劳动节经济学研究文献Labor Economics
2 个回复 - 1154 次查看 劳动节经济学研究文献Labor Economics =Handbook of Labor Economics Vol1/2/3A/3B/3C/4A/4B 劳动节经济学研究文献Labor Economics 劳动节经济学研究文献Labor Economics 劳动节经济学研究文献 ...2021-10-24 12:28 - Kathy-202109 - 现金交易版
《创业维艰 The hard thing about hard things》
7 个回复 - 1611 次查看 创业维艰英文版2021-4-5 07:50 - 123Daniuniu - 组织管理与领导力
求解释xtabond2结果中部分工具变量有效性检验问题
3 个回复 - 3534 次查看 计量小白有几个问题想请教一下大家,对于那Difference-in-Hansen tests of exogeneity of instrument subsets: 1、Hansen test excluding group是排除了部分工具变量(也就是我的滞后项做的工具变量)之后的检验值吗 ...2019-2-10 12:02 - Mr_旋律 - Stata专版
Collaborative Innovation in the Public Sector
3 个回复 - 458 次查看 【作者(必填)】 Bommert B 【文题(必填)】 Collaborative Innovation in the Public Sector 【年份(必填)】 2010 【全文链接或数据库名称(选填)】International Public Management Review, ,11(1):15-332018-12-18 16:55 - r9205009 - 求助成功区
动态面板数据采用stata命令xtabond2或者x'tdpdsys,不知道交互项和二次项怎么做
1 个回复 - 1587 次查看 大家好,关于动态面板中stata命令xtabond2或者xtdpdsys中,发现gmm都是采用滞后项作为工具变量的,但是都是针对的是单个内生变量,所以想咨询一下: 1.动态面板中被解释变量的滞后项采用2~3阶作为工具变量,而核心解 ...2021-9-9 20:59 - rongyf - Stata专版
Everything Is F*cked: A Book About Hope
2 个回复 - 616 次查看 2019-5-16 14:59 - kawazhang - 经管书评
xtabond2
1 个回复 - 586 次查看 内生变量与外生变量的交乘项,请问在xtabond2中怎么实现,放在哪里呢2021-11-14 10:03 - 小熊饼干b - Stata专版
Matlab, BP_Adaboost强分类器公司财务预警建模:程序代码命令
2 个回复 - 889 次查看 Matlab, BP_Adaboost强分类器公司财务预警建模:程序代码命令 Matlab, BP_Adaboost强分类器公司财务预警建模:程序代码命令 Matlab, BP_Adaboost强分类器公司财务预警建模:程序代码命令 Matlab, BP_Adaboost ...2020-4-29 10:35 - Lotus_ss - 现金交易版
xtabond2命令中加入自己设定的工具变量
1 个回复 - 1726 次查看 请问xtabond2命令中如何放入一般性工具变量,不是滞后项。是加在iv()中吗?那是不是无法指定是谁的工具变量了?滞后项和一般工具变量可以一起放吗?2019-5-13 22:54 - Trista陈 - 爱问频道
xtabond2 gmm运行中出现3900错误,求助!
3 个回复 - 882 次查看 求助:我使用面板数据,具体命令如下,总是报错r(3900),请问应该如何解决呢? 如果加入解释变量FD_firm的滞后期,命令可以成功运行,但是只加入当期解释变量,为什么就不可以呢? 是必须要更换mata才能跑吗?不 ...2022-1-26 21:32 - 7945_1573892162 - Stata专版
BABOK V3: A GUIDE TO THE BUSINESS ANALYSIS BODY OF KNOWLEDGE
6 个回复 - 5111 次查看 BABOK V3: A GUIDE TO THE BUSINESS ANALYSIS BODY OF KNOWLEDGE2018-10-12 14:32 - ciqianbo - 管理信息系统
【原版量化书籍分享】All_About_High-Frequency_Trading
3 个回复 - 2413 次查看 这书的题目取的很好,一个是“All”,另一个是“about”。大抵可以做一本科普的读物来读的,不过好的一点是书不厚,但内容是如此之全,以至于,如果你足够牛,你完全可以在读完后开发出一整套高频交易的系统出来。 ...2018-10-31 09:21 - scale0116 - 量化投资
最新版商业数据分析圣经 BABOK_Guide_v3_Member
11 个回复 - 2352 次查看 BABOK® Guidev3 - The Business Analysis Body of KnowledgeGuide2020-1-7 09:47 - cucumber0928 - 数据分析与数据挖掘
动态GMMxtabond2 不论如何调整都是omited
4 个回复 - 765 次查看 加了collapse和robust之后还是显示warning 着急!! xtdpdsys前面几个检验都通过了,但最后sargan检验等于1,属于明显工具变量过多的情况。请问有什么命令可以直接减少xtdpdsys的工具变量嘛?2022-6-11 00:10 - 摸鱼的魔芋 - Stata专版
Labour Market Economics 9th edition Benjanmin
3 个回复 - 1280 次查看 学习分享,勿用商业用途2022-1-27 04:59 - wghwghwgh - 劳动经济学
即将出现的交易机会《Trades About To Happen》-Davin Weis
4 个回复 - 3705 次查看 威科夫理论交易大师戴卫.卫斯的经典著作,是翻译较好的一个版本2018-9-17 17:54 - hljbyf - 金融学(理论版)
beyond diversification - what every investor needs to know about asset (2020)
1 个回复 - 1149 次查看 beyond diversification - what every investor needs to know about asset allocation (2020)2020-10-15 15:06 - loneshark - 投资人(实务版)
Artificial Intelligence for Business: What You Need to Know about Machine Learni
25 个回复 - 1349 次查看 2018 | ISBN-10: 0986435619 | 200 pages | AZW3 Artificial intelligence (AI) has landed on Earth like an alien spacecraft from a science fiction novel. We now have self-driving cars; computers that ...2018-11-21 15:25 - igs816 - 经管书评
Beginning Office 365 Collaboration Apps
7 个回复 - 358 次查看 Beginning Office 365 Collaboration Apps: Working in the Microsoft Cloud By 作者: Ralph Mercurio ISBN-10 书号: 1484238486 ISBN-13 书号: 9781484238486 Edition 版本: 1st ed. 出版日期: 2018-08-26 pa ...2018-12-15 11:51 - 13950050756 - 经管书评
关于xtabond2
17 个回复 - 14654 次查看 命令格式为xtabond2 y l.y x,gmm(y,lag(2 2)) gmm(x,lag(2 2) collapse) twostep robust 出现了如图画圈的结果,请问各位大神是命令写错了吗2019-10-10 15:13 - fou9527 - Stata专版
Negotiation Analysis: The Science and Art of Collaborative Decision Making
3 个回复 - 1524 次查看 作者:Howard Raiffa[/backcolor],John Richardson[/backcolor],David Metcalfe[/backcolor] 摘要:T his masterly book substantially extends Howard Raiffa's earlier classic, The Art and Science of Negot ...2020-3-29 00:48 - lzuwenght - 商务谈判
Thinking about Service Encounters Boosts Talking about Them (2019)
2 个回复 - 422 次查看 期刊文献Thinking about Service Encounters Boosts Talking about Them (2019)。 文献名称:Thinking about service encounters boosts talking about them 作者:Magnus Söderlund, Jan Mattsson 期刊 ...2021-8-29 09:38 - douer2016007 - 管理科学
Emotional Labor in a Non-isolated Service Encounter (2021)
3 个回复 - 637 次查看 期刊文献Emotional Labor in a Non-isolated Service Encounter (2021)。 文献名称:Emotional labor in a non-isolated service encounter - The impact of customer observation on perceived authenticity and ...2021-8-29 09:53 - douer2016007 - 管理科学
Modern Labor Economics Theory and Public Policy 13th Edition
3 个回复 - 1308 次查看 Modern Labor Economics Theory and Public Policy 13th Edition2021-7-22 22:08 - Cara_lmh - 劳动经济学
labor economics 给真正做科研的人。
46 个回复 - 8379 次查看 本人 多年积累的一点英文书籍和一些论文,拿出来分享,主要涉及内容:城市劳动力经济学、劳动力转移、工作搜索领域、劳动管理经济学、劳动力供给/需求、劳动力与福利经济学、全球化与劳动力关系、劳动力经济学手册、 ...2018-5-24 20:42 - 人族 - 劳动经济学
MIT Economics: Lectures in Labor Economics
3 个回复 - 1024 次查看 MIT Economics It is available online for free. Contents Part 1. Introduction to Human Capital Investments Chapter Part 2. Incentives, Agency and Efficiency Wages Part 3. Investment in ...2021-11-22 03:44 - piaogui1220 - 劳动经济学
Labor Economics 8th Edition by George Borjas
8 个回复 - 1316 次查看 Labor Economics 8th Edition by George Borjas, 2020 第一次尝试发帖,还请多多支持啦2022-3-15 13:48 - JoannaLovegood - 劳动经济学
【教材分享】Labor Economics 6th Edition by George Borjas
5 个回复 - 2294 次查看 如题,分享下教材,顺便求点论坛币。 教材信息: 名字:Labor Economics 作者:George Borjas 出版商:McGraw-Hill Education; 6 edition 大致内容: 1 Introduction to Labor Economics 1 2 Labo ...2019-11-4 01:51 - Emicat - 劳动经济学
Modern Labor Economics Theory and Public Policy_Ehrenberg_Testbank
5 个回复 - 1592 次查看 Modern Labor Economics Theory and Public Policy 11E - Ehrenberg - 题库2019-8-28 06:36 - JonnyXu - 劳动经济学
Nine Lies About Work
2 个回复 - 343 次查看 2019-5-18 15:13 - kawazhang - 经管书评
丹尼尔 平克 畅销书《全新销售》英文版 To Sell Is Human- The Surprising Truth Abou
7 个回复 - 533 次查看 豆瓣评分8.0 To Sell Is Human- The Surprising Truth About Moving Others #1 New York Times Business Bestseller #1 Wall Street Journal Business Bestseller #1 Washington Post bestseller From t ...2019-2-27 17:23 - nicolefish - 经管书评
labour economics 第六版
11 个回复 - 921 次查看 求PDF版的labour economics George Borjas 6th edition.2019-7-22 12:43 - ZYX913 - 经管书评
Drive: The Surprising Truth About What Motivates Us
35 个回复 - 1340 次查看 The New York Times bestseller that gives readers a paradigm-shattering new way to think about motivation from the author of When: The Scientific Secrets of Perfect Timing Most people believe th ...2019-8-19 10:53 - 守候烟雨 - 经管书评
【2019新书】Value and Crisis_Essays on Labour, Money and Contemporary Capitalism
26 个回复 - 4914 次查看 Value and Crisis: Essays on Labour, Money and Contemporary Capitalism by Alfredo Saad Filho (Author) About the Author Alfredo Saad-Filho is Professor of Political Economy at SOAS University of L ...2019-5-19 14:51 - slowry - 金融学(理论版)
xtabond2命令中gmm、iv中变量的确定
2 个回复 - 2890 次查看 如题,请问所有的解释变量是否要么放入gmm(),要么放入iv()?[/backcolor]2018-11-29 15:32 - 侯小琴儿 - Stata专版
The Economics of Imperfect Labor Markets,Third Edition
3 个回复 - 663 次查看 【作者(必填)】Tito Boeri[/backcolor] [/backcolor]and[/backcolor] [/backcolor]Jan van Ours[/backcolor] 【文题(必填)】The Economics of ImperfectLabor Markets,Third Edition 【年份(必填)】Publishe ...2022-8-28 16:11 - 毒谷123 - 文献求助专区
求JPE的附件Supplemental Material-Robots and jobs: Evidence from US labor markets
4 个回复 - 1717 次查看 【作者(必填)】Acemoglu, D. and Restrepo, P. 【文题(必填)】Robots and jobs: Evidence from US labor markets 【年份(必填)】2020 【全文链接或数据库名称(选填)】Journal of Political Economy, 128(6) ...2021-8-20 11:08 - JJ.C - 文献求助专区
Econometrica最新论文Trade and Labor Market Dynamics General Equilibrium免费
5 个回复 - 1235 次查看 Econometrica, Vol. 87, No. 3 (May,2019), 741–835TRADE AND LABOR MARKET DYNAMICS: GENERALEQUILIBRIUMANALYSIS OF THE CHINA TRADE SHOCKLORENZO CALIENDOSchool of Management, Yale University and NBERMAXIM ...2019-6-7 09:20 - hndls - 计量经济学与统计软件
Are There Too Many Farms in the World? Labor Market Transaction Costs
4 个回复 - 853 次查看 【作者(必填)】 Andrew D. Foster[/backcolor] and Mark R. Rosenzweig[/backcolor] 【文题(必填)】 Are There Too Many Farms in the World? Labor Market Transaction Costs, Machine Capacities, and Opti ...2022-4-4 22:32 - 钱学森64 - 求助成功区
Research on the Transfer of Rural Labor Force under the Construction of Intellig
4 个回复 - 498 次查看 【作者(必填)】 J. Zhang and S. Zhu 【文题(必填)】 Research on the Transfer of Rural Labor Force underthe Construction of Intelligent Society 【年份(必填)】 2021 【全文链接或数据库名称(选填)】J. ...2022-8-22 17:00 - liangqiaohui - 文献求助专区
xtabond2_mata() not found
0 个回复 - 570 次查看 如题,用stata17在运行xtabond2命令时,出现3499xtabond2_mata() not found的错误,问问各位大佬怎么解决?之前论坛里有一些有些方法,到都解决不了……2022-8-19 20:23 - lying520 - Forum
【AEJ:applied economics文献求助】Family Labor Supply Responses to Severe Health
4 个回复 - 495 次查看 【作者(必填)】 [*]Itzik Fadlon [*]Torben Heien Nielsen 【文题(必填)】 Family Labor Supply Responses to Severe Health Shocks: Evidence from Danish Administrative Records【年份(必填)】 2021 【全 ...2022-8-5 15:06 - chaoqiuyuan9 - 求助成功区
The Impact of Health on Labor Market Outcomes: Evidence from a Large-Scale
1 个回复 - 474 次查看 【作者(必填)】 [*]Melvin Stephens Jr. [*]Desmond Toohey 【文题(必填)】 The Impact of Health on Labor Market Outcomes: Evidence from a Large-Scale Health Experiment【年份(必填)】 2022 【全文链接 ...2022-8-7 14:06 - chaoqiuyuan9 - 求助成功区
University-industry collaborations—The key to radical innovations
4 个回复 - 546 次查看 【作者(必填)】 【文题(必填)】University-industry collaborations—The key to radical innovations 【年份(必填)】 【全文链接或数据库名称(选填)】https://link.springer.com/article/10.1007/s10037-0 ...2022-8-3 02:49 - 日新少年 - 求助成功区
Winners and losers in US-China scientific research collaborations
3 个回复 - 486 次查看 【作者(必填)】 【文题(必填)】Winners and losers in US-China scientific research collaborations 【年份(必填)】 【全文链接或数据库名称(选填)】https://link.springer.com/article/10.1007/s10734-019- ...2022-7-13 22:11 - 日新少年 - 求助成功区
Consumerology The Market Research Myth, the Truth About Consumers, and the Psych
1 个回复 - 348 次查看 Consumerology The Market Research Myth, the Truth About Consumers, and the Psychology of Shopping (Philip Graves) Consumerology The Market Research Myth, the Truth About Consumers, and the Psycho ...2022-7-16 22:48 - hugohugo0000 - Forum
Do we care about high-cost patients? Estimating the savings on health spending b
1 个回复 - 304 次查看 【作者(必填)】Karen Geurts[/backcolor][/backcolor][/backcolor], Marc Bruijnzeels[/backcolor] & Erik Schokkaert[/backcolor] 【文题(必填)】Do we care about high-cost patients? Estimating the savings ...2022-7-13 23:06 - zxm403 - 文献求助专区
求supplementary material,文章:Machine Learning from Schools about Energy Effic
1 个回复 - 288 次查看 【作者(必填)】Fiona Burlig, Christopher Knittel, David Rapson, Mar Reguant, and Catherine Wolfram 【文题(必填)】求助希望帮忙下载的是此文的 supplementary material文章名:Machine Learning from School ...2022-7-10 22:25 - simpleeyelid - 文献求助专区
Political connections and managerial premiums in the labor market
2 个回复 - 305 次查看 【作者(必填)】 【文题(必填)】Political connections and managerial premiums in the labor market 【年份(必填)】 【全文链接或数据库名称(选填)】https://www.sciencedirect.com/science/article/abs/p ...2022-7-4 11:36 - 日新少年 - 求助成功区
A vehicle-cloud collaborative method for multi-type fault diagnosis of lithium-i
2 个回复 - 252 次查看 【作者(必填)】 【文题(必填)】 A vehicle-cloud collaborative method for multi-type fault diagnosis of lithium-ion batteries 【年份(必填)】 【全文链接或数据库名称(选填)】https://www.sciencedirec ...2022-7-3 22:17 - ticket1988 - 求助成功区
Guidance for AMR Authors about Making Formal Theory Accessible
1 个回复 - 466 次查看 Guidance for AMR Authors about Making Formal Theory Accessible2022-7-3 10:47 - yuanhaixia - 文献求助专区
Knowledge distance and R&D collaboration in Cournot oligopoly
2 个回复 - 366 次查看 【作者(必填)】 【文题(必填)】Knowledge distance and R&D collaboration in Cournot oligopoly 【年份(必填)】 【全文链接或数据库名称(选填)】 https://onlinelibrary.wiley.com/doi/abs/10.1111/meca.1 ...2022-7-3 12:05 - 日新少年 - 求助成功区
xtabond2 结果不显著
3 个回复 - 1278 次查看 xtabond2 回归以后,显示 Warning: Two-step estimated covariance matrix of moments is singular. Using a generalized inverse to calculate robust weighting matrix for Hansen test. Difference-in-Sar ...2021-12-18 11:54 - rzj986745 - Stata专版
Political promotion and labor investment efficiency
2 个回复 - 289 次查看 【作者(必填)】 【文题(必填)】Political promotion and labor investment efficiency 【年份(必填)】 【全文链接或数据库名称(选填)】https://www.sciencedirect.com/science/article/abs/pii/S1043951X18 ...2022-6-26 00:15 - 日新少年 - 求助成功区
What is Certain about Uncertainty?
1 个回复 - 540 次查看 【作者(必填)】Danilo Cascaldi-Garcia Cisil Sarisoy Juan M. Londono Bo Sun Deepa Datta Thiago Ferreira Olesya Grishchenko Mohammad R. Jahan-Parvar Francesca Loria Sai Ma Marius Rodriguez Ilknur Zer Joh ...2022-6-21 21:32 - rickycy - 文献求助专区
Machine Labor
3 个回复 - 433 次查看 【作者(必填)】 Joshua D. Angrist[/backcolor] and Brigham Frandsen[/backcolor] 【文题(必填)】 Machine Labor【年份(必填)】 2022 【全文链接或数据库名称(选填)】https://www.journals.uchicago.edu/d ...2022-6-20 05:32 - kukenghuqian - 求助成功区
Do Managers Learn from Analysts about Investing?
3 个回复 - 1094 次查看 【作者(必填)】Re-Jin Guo; Rong (Irene) Zhong 【文题(必填)】Do Managers Learn from Analysts about Investing? Evidence from Internal Capital Allocation 【年份(必填)】 2022 【全文链接或数据库名 ...2022-6-6 16:05 - 叹我中华 - 文献求助专区
Do Managers Learn from Analysts about Investing?
0 个回复 - 630 次查看 【作者(必填)】Re-Jin Guo; Rong (Irene) Zhong 【文题(必填)】Do Managers Learn from Analysts about Investing? Evidence from Internal Capital Allocation 【年份(必填)】 2022 【全文链接或数据库名 ...2022-6-6 16:03 - 叹我中华 - 文献求助专区
xtabond2命令求教
1 个回复 - 467 次查看 各位大佬,论文的方程为 FI为金融科技指数;LA为贷款资产比;DPR为流动性水平;CR为成本收入比;NIRR为非利息收入占比;SIZE为资产规模 请问这个方程再用xtabond2命令时候xtabond2 roa L.roa fi cr dpr size nirr ...2022-6-3 16:53 - 战斗机冲冲 - 灌水吧
Surplus agricultural labour and China's Lewis turning point
3 个回复 - 417 次查看 【作者(必填)】FungKwanaYanruiWubShuaiheZhuoa 【文题(必填)】Surplus agricultural labour and China's Lewis turning point 【年份(必填)】China Economic Review Volume 48, April 2018, Pages 244-257 ...2022-5-27 23:19 - hiderm - 求助成功区
Leadership is about the ability to implement change.
0 个回复 - 1502 次查看 implement [ˈɪmplɪment , ˈɪmplɪmənt] vt.使生效;贯彻;执行;实施 【英文释义】to make sth that has been officially decided start to happen or be used 【例句】The ...2022-5-27 15:05 - 杨明凡 - 外语学习
Myths About Linear and Monotonic Associations: Pearson’s r, Spearman’s ρ, and
1 个回复 - 373 次查看 【作者(必填)】 23 【文题(必填)】 Myths About Linear and Monotonic Associations: Pearson’s r, Spearman’s ρ, and Kendall’s τ 【年份(必填)】 232 【全文链接或数据库名称(选填)】https://wwwtandfo ...2022-5-26 17:26 - internet.hzx - 求助成功区
I’ve had second thoughts about that.
0 个回复 - 1384 次查看 今日打卡句子:I’ve had second thoughts about that.我后来又仔细想了一下 重点表达have second thoughts (about…):重新考虑,对某事有疑虑,改变想法例句A: "Where's the bride?"B: "I don't know; maybe she h ...2022-5-26 14:35 - 杨明凡 - 外语学习
【文献】Trade and labor markets:Lessons from China's rise
0 个回复 - 247 次查看 作者:DAVID H. AUTOR (MIT) Trade and labor markets: Lessons from China’s rise The China Shock has challenged economists’ benign view of how trade integration affects labor markets in develo ...2022-5-19 11:28 - wangels - 灌水吧
OK Boomer: A decade of generational differences in feelings about climate change
3 个回复 - 432 次查看 【作者(必填)】Janet K.[/backcolor]RosemaryAviste[/backcolor]Michael L.Lengieza[/backcolor]Carlie J.Fasano[/backcolor] 【文题(必填)】OK Boomer: A decade of generational differences in feelings about ...2022-5-18 16:46 - paulone - 求助成功区
基于Frank J.Fabozzi弗兰克·J.法伯兹高级债券资产组合管理建模与策略教学讲义
1 个回复 - 823 次查看 基于Frank J.Fabozzi弗兰克·J.法伯兹高级债券资产组合管理建模与策略教学讲义 Lecture Notes on Advanced Bond Portfolio Management Best Practices in Modeling and Strategies =高级债券资产组合管理建模与策 ...2022-5-17 10:50 - Mama-2022 - 现金交易版
即将出现的交易机会《Trades About To Happen》-Davin Weis
4 个回复 - 3626 次查看 威尔科夫方法的最新研究成果,众筹汉化版.国内未出版2018-7-14 20:04 - imsea1 - 金融学(理论版)
【求助】用xtabond2估计动态面板的时候,出现mata: mata set matafavor speed, perm
2 个回复 - 3634 次查看 用xtabond2估计动态面板的时候,出现mata: mata set matafavor speed, perm,这是什么原因,这个影响估计结果吗?求路过的大神指教,我的命令是 xtabond2 eco L.eco cer cer2 up rd fdi en ifa l edu gov,gmm(L.eco) ...2019-12-11 09:02 - suhuji - 计量经济学与统计软件
I just wanted to see what all the fuss was about.
0 个回复 - 2126 次查看 今日打卡句子: I just wanted to see what all the fuss was about. 想看看那姑娘为什么这么纠结 重点表达What’s all the fuss about?有什么大惊小怪的?例句:It’s just snow. What’s all the fuss about ...2022-5-3 17:00 - 杨明凡 - 外语学习
Xtabond2做gmm,被解释变量一阶滞后项系数为负,怎样使其变为正数?
4 个回复 - 5287 次查看 用xtabond2做gmm,一阶滞后项的系数为负,但是结果p=0.000结果显著。是模型设计有问题么?还是哪里有问题?应该怎样修改?stata小白还望前辈指点。2018-3-27 17:59 - real_gem - Stata专版
Robust Portfolio Optimization (Fabozzi)
2 个回复 - 1536 次查看 [adjuntar] 2465435 [/ attach] Interesting book about Portfolio optimization2018-5-5 01:45 - cazapata25 - 国内外文献账号区
瑞银-2019年全球财富报告数据手册Global wealth databook 2019(英文版)共179页
1 个回复 - 1192 次查看 瑞银-2019年全球财富报告数据手册Global wealth databook 2019(英文版)共179页2020-7-5 16:33 - trumenwang - 行业分析报告
Forced off the farm? Farmers’ labor allocation response to land requisition in
2 个回复 - 670 次查看 【作者(必填)】 【文题(必填)】Forced off the farm? Farmers’ labor allocation response to land requisition in China 【年份(必填)】 【全文链接或数据库名称(选填)】https://www.sciencedirect.com/s ...2022-4-26 01:08 - 日新少年 - 求助成功区
Love isn't about ridiculous little words. Love is about grand gestures.
0 个回复 - 2493 次查看 Love isn't about ridiculous little words. Love is about grand gestures.爱不是简单的几个字,要付诸行动。2022-4-24 06:12 - 杨明凡 - 外语学习