结果:找到“Subs”相关内容638个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
上市公司数字化转型与企业分工专业化纵向一体化市值账面比资本密集度省市经济发展水平
6 个回复 - 934 次查看 上市公司数字化转型与企业分工专业化纵向一体化2010-2018市值账面比资本密集度省市经济发展水平互联网普及率 含相关数据、计算代码及参考文献论述处理过程 1.数据来源:基于上市公司数据整理计算2.时间跨度:201 ...2023-4-22 16:56 - yusb - 现金交易版
【《中国工业经济》数据复现】数字化转型与企业分工:专业化还是纵向一体化
4 个回复 - 1422 次查看 一.研究内容 本文使用机器学习方法刻画微观企业数字化水平,并在构建数理模型的基础上实证考察了企业数字化转型对企业分工的影响及其机理。结果表明,企业数字化转型显著提升了中国上市企业专业化分工水平。机制分 ...2023-4-17 13:17 - study874 - 现金交易版
Using choice framing to improve the design of agricultural subsidy schemes
6 个回复 - 486 次查看 【作者(必填)】Neel Ocean and Peter Howley 【文题(必填)】Using choice framing to improve the design of agricultural subsidy schemes 【年份(必填)】2021 【全文链接或数据库名称(选填)】https://doi ...2023-9-24 04:07 - bofeng - 求助成功区
Contracting under information superiority in a supply chain of subscription-base
1 个回复 - 304 次查看 【作者(必填)】 Tal Avinadav & Priel Levy 【文题(必填)】 Contracting under information superiority in a supply chain of subscription-based apps: a comparative analysis 【年份(必填)】 2023 【全文链 ...2023-8-31 20:37 - timesever - 求助成功区
如何用spss保存选定的变量(save a subset of variables)
6 个回复 - 9651 次查看 前几天碰到一个数据有上百个变量,而我只想研究其中的几十个变量的数据。 度娘搜了一圈,都没有找到解决方法。气死我了,害我一个变量一个变量的复制粘贴,笨死了。 还是谷歌靠谱,终于被我找到方法了。附件在这里 ...2012-7-5 13:49 - blja - SPSS论坛
The chemical nature of the alpha particles from radioactive substances
0 个回复 - 203 次查看 The chemical nature of the alpha particles from radioactive substances The chemical nature of the alpha particles from radioactive substances The chemical nature of the alpha particles from radioact ...2023-7-4 14:26 - 走出 - 经管书评
Trade-In Strategy Selection for Manufacturers Considering Government Subsidy
2 个回复 - 322 次查看 【作者(必填)】 X Han, B Li, XIN LIU 【文题(必填)】 Trade-In Strategy Selection for Manufacturers Considering Government Subsidy and Marketing Effort[/backcolor]【年份(必填)】 2023 【全文链接或数据 ...2023-6-13 14:47 - 下雨就打伞 - 求助成功区
Introduction to Operator Theory and Invariant Subspaces
1 个回复 - 482 次查看 Introduction to Operator Theory and Invariant Subspaces(Bernard Beauzamy)2023-4-27 06:10 - wxwpxh - 经济金融数学专区
Digital economy and substantial green innovation
1 个回复 - 549 次查看 【作者(必填)】Qingling Liu 【文题(必填)】Digital economy and substantial green innovation: empirical evidence from Chinese listed companies 【年份(必填)】2022 【全文链接或数据库名称(选填)】ht ...2023-4-8 16:49 - wangds - 求助成功区
Scalable subsampling: computation, aggregation and inference
1 个回复 - 342 次查看 【作者(必填)】 3 【文题(必填)】 Scalable subsampling: computation, aggregation and inference 【年份(必填)】 3 【全文链接或数据库名称(选填)】https://academic.oup.com/biomet/advance-article-abstr ...2023-3-24 08:55 - internet.hzx - 求助成功区
Subsystems of Second Order Arithmetic 2nd Edition (Perspectives in Logic)
1 个回复 - 476 次查看 Subsystems of Second Order Arithmetic 作者: Simpson, Stephen G. 出版年: 2009-5 页数: 464 定价: $ 114.13 丛书: Perspectives in Logic ISBN: 97805218843962022-11-14 23:42 - wxwpxh - IT基础
The Moral Economy: Why Good Incentives Are No Substitute for Good Citizens
7 个回复 - 1605 次查看 The Moral Economy: Why Good Incentives Are No Substitute for Good Citizens Why do policies and business practices that ignore the moral and generous side of human nature often fail? Should th ...2016-12-27 08:59 - darkathrun - 金融学(理论版)
stata行政区划代码substr提取出问题
6 个回复 - 9261 次查看 我想提取行政区划代码的前两位生成新变量province 但是按照gen x=real(substr(string(var),1,2)) 只能提取第一位 gen x=real(substr(string(var),1,4))确实提取了前两位 但是是2.1 3.4这样的小数2019-1-4 17:11 - 我来嘞 - Stata专版
substr命令无法识别
8 个回复 - 6540 次查看 stata14中运行substr命令总是提示unrecognized command: substr2016-6-8 22:24 - 裤裤 - Stata专版
R语言做nomo图报错 Error in lims[[i]] : subscript out of bounds
14 个回复 - 24193 次查看 大家好,我自己才接触R语言不久,现在在尝试做nomo图,但是一直有报错,代码如下: dd2019-11-27 08:49 - tomato7 - R语言论坛
nomo图报错 Error in lims[[i]] : subscript out of bounds
1 个回复 - 351 次查看 具体代码如下: nomo=nomogram(lrmModel, fun=plogis, +2023-9-16 14:10 - 82246554 - R语言论坛
Error in data[1] : object of type 'closure' is not subsettable
0 个回复 - 1695 次查看 用R语言处理数据有时候需要读取多个数据集,将它们命名为data1、data2……,一不小心忘记了后面的数字(1、2……),就会出现奇怪的报错:Error in data[1] : object of type 'closure' is not subsettable比如下面这 ...2023-7-1 19:06 - 是昕灵哒 - R语言论坛
AOM: Substituting Human Decision-Making with Machine Learning: Implications for
4 个回复 - 1000 次查看 【作者(必填)】 Natarajan Balasubramanian, Yang Ye and Mingtao Xu 【文题(必填)】 Substituting Human Decision-Making with Machine Learning: Implications for Organizational Learning 【年份(必填)】 P ...2020-12-21 22:38 - yinhezhiwang - 文献求助专区
latex beamer 如何去掉导航栏中的subsection 圆点
1 个回复 - 2576 次查看 如图 如何去掉导航栏的圆点2018-5-21 20:03 - fishmess - 灌水吧
输入命令,gen 日期=substr(上市日期,1,4)显示上市日,1,4 not found
1 个回复 - 733 次查看 输入命令,gen 日期=substr(上市日期,1,4)显示上市日期,1,4 not found 怎么解决?感谢各位大佬!2023-5-9 11:28 - tyf_best - 新手入门区
subscript out of bounds
0 个回复 - 745 次查看 诸天大神好: 我刚开始学习R语言,碰到下面的错误提示,求指点: library(rvest) url2023-3-28 10:11 - 19787803@qq.com - R语言论坛
RStudio 出现Error in subset(data, select = formula.vars[1]) : object 'fq2000.
3 个回复 - 842 次查看 本人是R语言小白。利用RStudio 进行数据离散化,文件名称“fq2000.xlsx”,里面的字段CCD为因变量,U为自变量,文件位置“C:\Users\ZSZ\Desktop\csq”。命令如下:> library(geodetector)> library(rJava)> library( ...2023-2-20 09:02 - 张守忠 - R语言论坛
A subsampling perspective for extending the validity of state-of-the-art bootstr
1 个回复 - 853 次查看 【作者(必填)】 222 【文题(必填)】 A subsampling perspective for extending the validity of state-of-the-art bootstraps in the frequency domain 【年份(必填)】 222 【全文链接或数据库名称(选填)】htt ...2023-1-31 13:13 - internet.hzx - 求助成功区
求JSTOR论文Heavy Subsidies in Heavy Water: Economics of Nuclear Power in India
2 个回复 - 857 次查看 【作者(必填)】M. V. Ramana 【文题(必填)】Heavy Subsidies in Heavy Water: Economics of Nuclear Power in India 【年份(必填)】2007 【全文链接或数据库名称(选填)】https://www.jstor.org/stable/441 ...2023-1-18 06:09 - v2abgundam - 求助成功区
Quality Regulation on Two-Sided Platforms: Exclusion, Subsidization, and First-P
1 个回复 - 768 次查看 【作者(必填)】Peng Huang[/backcolor], Gaoyan Lyu[/backcolor], Yi Xu[/backcolor] 【文题(必填)】https://pubsonline.informs.org/doi/epdf/10.1287/mnsc.2021.4075 【年份(必填)】2022 【全文链接或数据 ...2023-1-1 12:06 - david398121 - 求助成功区
2022年Subsea 7企业数据分析
0 个回复 - 382 次查看 2022-12-19 21:21 - esfdsw - 现金交易版
The Secret of Selecting Stocks for Immediate and Substantial Gains(Larry+R.+W
3 个回复 - 1164 次查看 选择股票以获得即时可观收益的秘诀---拉瑞 威廉姆斯(中文版)2022-12-4 17:51 - noba - 金融学(理论版)
Subsea 7企业分析报告
1 个回复 - 334 次查看 2022-11-28 11:09 - 是否巴尔 - Forum
新手求助:2SLS回归出现的问题r(3301) subscript invalid
13 个回复 - 12945 次查看 第一次用STATA模拟论文的数据处理过程,我用的论文是Angrist 1991年发表的《Does compusory school attendance affect schooling and earning》,我运行了作者提供的do文件,在运行最后一条命令时出现了如下问题:. i ...2016-12-8 23:35 - 陌上筱晓 - Stata专版
求助文献“Disclosure and Subsequent Innovation: Evidence from the Patent Deposit
2 个回复 - 398 次查看 【作者(必填)】 [*]Jeffrey L. Furman [*]Markus Nagler [*]Martin Watzinger 【文题(必填)】 Disclosure and Subsequent Innovation: Evidence from the Patent Depository Library Program 【年份(必填)】 ...2022-11-1 00:13 - miaojiafeng1996 - 文献求助专区
Tariffs, agricultural subsidies, and the 2020 US presidential election
4 个回复 - 589 次查看 【作者(必填)】Jaerim Choi,Sunghun Lim 【文题(必填)】Tariffs, agricultural subsidies, and the 2020 US presidential election 【年份(必填)】2022 【全文链接或数据库名称(选填)】https://doi.org/10. ...2022-10-24 03:08 - bofeng - 求助成功区
Hydroxycholesterol substitution in ionizable lipid nanoparticles for mRNA delive
3 个回复 - 545 次查看 【作者(必填)】Savan K Patel[/backcolor] 1[/backcolor], Margaret M Billingsley[/backcolor] 1[/backcolor], Caitlin Frazee[/backcolor] 1[/backcolor], Xuexiang Han[/backcolor] 1[/backcolor], Kelsey L Swin ...2022-9-4 08:41 - bbslover - 求助成功区
Improved Estimation of High-dimensional Additive Models Using Subspace Learning
1 个回复 - 613 次查看 【作者(必填)】S He, K He, JZ Huang 【文题(必填)】Improved Estimation of High-dimensional Additive Models Using Subspace Learning 【年份(必填)】2022 【全文链接或数据库名称(选填)】https://www. ...2022-8-23 11:14 - liu2008shu - 文献求助专区
The Unintended Beneficiaries of Farm Subsidies
1 个回复 - 385 次查看 【作者(必填)】Boussios, David Castillo, Marcelo Brewer, Brady 【文题(必填)】The Unintended Beneficiaries of Farm Subsidies 【年份(必填)】2022 【全文链接或数据库名称(选填)】http://le.uwpress.o ...2022-8-27 21:09 - bofeng - 文献求助专区
Response Best-subset Selector for Multivariate Regression with High-dimensional
1 个回复 - 524 次查看 【作者(必填)】J Hu, J Huang, X Liu, X Liu 【文题(必填)】Response Best-subset Selector for Multivariate Regression with High-dimensional Response Variables 【年份(必填)】2022 【全文链接或数据库 ...2022-8-23 15:04 - liu2008shu - 求助成功区
Response Best-subset Selector for Multivariate Regression with High-dimensional
2 个回复 - 389 次查看 【作者(必填)】 23 【文题(必填)】 Response Best-subset Selector for Multivariate Regression with High-dimensional Response Variables 【年份(必填)】 2323 【全文链接或数据库名称(选填)】https://acad ...2022-8-15 23:15 - internet.hzx - 求助成功区
Disclosure and subsequent innovation Evidence from the patent depository library
8 个回复 - 785 次查看 【作者(必填)】 [*]Jeffrey L. Furman [*]Markus Nagler [*]Martin Watzinger 【文题(必填)】 Disclosure and subsequent innovation Evidence from the patent depository library program 【年份(必填)】 ...2022-8-12 15:06 - liqijia1234 - 文献求助专区
Studying Public Policy: Policy Cycles & Policy Subsystems
1 个回复 - 743 次查看 【作者(必填)】 Michael Howlett, ‎M. Ramesh 【文题(必填)】 Studying Public Policy: Policy Cycles & Policy Subsystems【年份(必填)】 1995 【全文链接或数据库名称(选填)】 ontario:oxford univers ...2022-8-4 23:47 - r9205009 - 求助成功区
请教一个R语言for循环报错问题,subscript out of bounds
4 个回复 - 5061 次查看 刚刚开始学习R 不久,在对大矩阵A分块运行的时候遇到这么一个问题,代码运行老是报错,不知道错误出在哪里,以下是程序: i2022-6-13 14:44 - bonnie@123 - R语言论坛
Subsampling Sparse Graphons Under Minimal Assumptions
4 个回复 - 456 次查看 【作者(必填)】 2323 【文题(必填)】 Subsampling Sparse Graphons Under Minimal Assumptions 【年份(必填)】 2323 【全文链接或数据库名称(选填)】https://academic.oup.com/biomet/advance-article/doi/10. ...2022-6-3 18:25 - internet.hzx - 求助成功区
Subsampling Sparse Graphons Under Minimal Assumptions
2 个回复 - 444 次查看 【作者(必填)】 23 【文题(必填)】 Subsampling Sparse Graphons Under Minimal Assumptions 【年份(必填)】 2323 【全文链接或数据库名称(选填)】https://academic.oup.com/biomet/advance-article-abstract/ ...2022-6-16 20:28 - internet.hzx - 求助成功区
Competing risk analysis in a large cardiovascular clinical trial: An APEX substu
4 个回复 - 634 次查看 【作者(必填)】Douglas F. Arbetter[/backcolor],Purva Jain[/backcolor],Megan K. Yee[/backcolor],Nathan Michalak[/backcolor],Adrian F. Hernandez[/backcolor],Russell D. Hull[/backcolor],Samuel Z. Goldhabe ...2021-12-30 16:14 - wl1020_2000 - 求助成功区
Duration of Poverty and Subsequent Cognitive Function and Decline Among Older
2 个回复 - 645 次查看 【作者(必填)】Xuexin Yu, Wei Zhang, Lindsay C. Kobayashi 【文题(必填)】Duration of Poverty and Subsequent Cognitive Function and Decline Among Older Adults in China, 2005-2018 【年份(必填)】2021 ...2021-11-18 22:08 - yuliaoyan6 - 求助成功区
Some online stores provide free shipping to more substantial orders.
0 个回复 - 2345 次查看 Some online stores provide free shipping to more substantial orders. 有些网店向大订单提供免运费的服务。 讲解我们今天学习的句子是 Some online stores provide free shipping to more substantial order ...2022-4-20 06:28 - 杨明凡 - 外语学习
如何用Rstudio对一组数据的subset进行调整
2 个回复 - 2733 次查看 一组数据按照变量"clan"可分为clan=1和clan=2,clan=1的这个subset里有三个潜变量,现希望对这三个潜变量名称进行修改(被命名为“class1”和“class2”的这两个潜变量名称互换——张三和王二互换名字)尝试了以下四 ...2022-4-13 15:46 - kosaac - R语言论坛
使用R和Rstudio遇到subscript out of bounds的问题
14 个回复 - 62414 次查看 大佬们,小白在使用R和Rstudio遇到subscript out of bounds的问题,试过很多命令但不知如何解决问题,求解,感恩。 > states2018-3-29 12:11 - 喝茶狂魔火锅侠 - R语言论坛
R&D subsidies, dependence, and firm innovation performance
3 个回复 - 552 次查看 【作者(必填)】 【文题(必填)】R&D subsidies, dependence, and firm innovation performance 【年份(必填)】 【全文链接或数据库名称(选填)】https://onlinelibrary.wiley.com/doi/10.1111/jpim.125642022-2-11 20:16 - 日新少年 - 求助成功区
AOM:Substituting Human Decision-Making with Machine Learning: I
2 个回复 - 911 次查看 【作者(必填)】 Natarajan Balasubramanian, Yang Ye and Mingtao Xu 【文题(必填)】 Substituting Human Decision-Making with Machine Learning: Implications for Organizational Learning 【年份(必填)】 P ...2021-12-29 01:17 - yinhezhiwang - 求助成功区
Competing risk analysis in a large cardiovascular clinical trial: An APEX substu
0 个回复 - 262 次查看 【作者(必填)】Douglas F Arbetter[/backcolor] 1[/backcolor], 1[/backcolor], 1[/backcolor], 1[/backcolor], 1[/backcolor] 【文题(必填)】Competing risk analysis in a large cardiovascular clinical trial ...2021-12-30 14:03 - wl1020_2000 - 文献求助专区
Quality Regulation on Two-Sided Platforms: Exclusion, Subsidization, and First-P
2 个回复 - 513 次查看 【作者(必填)】 Huang P, Lyu G, Xu Y. 【文题(必填)】 Quality Regulation on Two-Sided Platforms: Exclusion,Subsidization, and First-Party ApplicationsHuang P, Lyu G, Xu Y. Quality Regulation on Two- ...2021-11-23 21:22 - tanghua666666 - 文献求助专区
Q&As and Reviews: Substitutes or Complements?
0 个回复 - 431 次查看 【作者(必填)】Gaurav Jetley, University of South FloridaFollow Shivendu Shivendu, University of South Florida 【文题(必填)】 【年份(必填)】 2018 【全文链接或数据库名称(选填)】 'https://aise ...2021-11-17 09:56 - weinj - 文献求助专区
an ad valorem consumer price subsidy
2 个回复 - 681 次查看 an ad valorem consumer price subsidy,附件图片中这个公式中Z_dp如何理解呢?请大神帮助!!!!2021-8-30 16:39 - 1044 - 文献求助专区
Three-Dimensional-Printed Liver Model Helps Learners Identify Hepatic Subsegment
2 个回复 - 598 次查看 【作者(必填)】Chedid, Victor G; Kamath, Amika A; M Knudsen, John; Frimannsdottir, Katrin; Yost, Kathleen J; R Geske, Jennifer; Morris, Jonathan M; Taner, Timucin; Matsumoto, Jane M; Kamath, Patrick S ...2021-10-13 11:32 - mengqinqing - 求助成功区
Information as a substitute for inventories
1 个回复 - 551 次查看 【作者(必填)】 Leonard Dudley, Pierre Lasserre 【文题(必填)】 Information as a substitute for inventories 【年份(必填)】 1989 【全文链接或数据库名称(选填)】https://www.sciencedirect.com/science/ ...2021-9-23 05:06 - timesever - 求助成功区
R语言构建Cox比例风险回归模型时出现Error in `[.default`(y, , 3) : subscript out o
1 个回复 - 1713 次查看 构建Cox比例风险回归模型时出现Error in `[.default`(y, , 3) : subscript out of bounds怎么解决?2021-8-22 21:35 - 努力学习R语言啊啊啊 - R语言论坛
求电子版Studying Public Policy: Policy Cycles and Policy Subsystems
2 个回复 - 2928 次查看 书名:Studying Public Policy: Policy Cycles and Policy Subsystems 作者:Michael Howlett (作者), M Ramesh (作者), Anthony Perl (作者) 出版: 2009年2月12日 平装: 308页 语种: 英语 ISBN: 0195428021 ...2016-4-22 19:43 - 旭日东升1991 - 高考经管名校信息
请教关于R 的问题,提示Error in d[i, 1] : subscript out of bounds
7 个回复 - 16796 次查看 以下是我的程序, > mydata clean inside outside diff.slope for (i in 1:nrow(inside)){ + diff.slope diff.slope diff.dem for (i in 1:nrow(inside)){ + diff.dem diff.settlement for (i in 1:nrow( ...2017-2-7 11:07 - 向阳紫竹 - R语言论坛
Subsidising inequality: Economic reforms, fiscal transfers and convergence acros
3 个回复 - 629 次查看 【作者(必填)】 Martin Raiser 【文题(必填)】 Subsidising inequality: Economic reforms, fiscal transfers and convergence across Chinese provinces 【年份(必填)】 2007 【全文链接或数据库名称(选填)】 ...2021-7-24 17:14 - 24颗米粒 - 求助成功区
Subsidising inequality: Economic reforms, fiscal transfers and convergence acros
1 个回复 - 396 次查看 【作者(必填)】 Martin Raiser 【文题(必填)】 Subsidising inequality: Economic reforms, fiscal transfers and convergence across Chinese provinces 【年份(必填)】 1997 【全文链接或数据库名称(选填)】 ...2021-7-19 21:36 - 24颗米粒 - 文献求助专区
UNEP: Reforming Energy Subsidies
6 个回复 - 3227 次查看 Copyright © United Nations Environment Programme, 20082009-6-6 15:00 - tyn - 能源经济学
Modelling and measuring the effect of public subsidies on business R&D
1 个回复 - 544 次查看 【作者(必填)】Cerulli, G. 【文题(必填)】Modelling and measuring the effect of public subsidies on business R&D: Critical review of the economic literature 【年份(必填)】2010 【全文链接或数据库名 ...2021-6-6 22:27 - hiderm - 求助成功区
物质流分析工具数据校正与可视化工具STAN (short for subSTance flow ANalysis)2.6.8
5 个回复 - 3146 次查看 物质流分析工具/数据校正与可视化工具STAN (short for subSTance flow ANalysis)2.6.8,不多说,大家用了就知道,免费无需注册2019-9-13 09:13 - maliguoguo - 新手入门区
Communication and inventory as substitutes in organizing production
1 个回复 - 671 次查看 【作者(必填)】 Milgrom, P. and Roberts, J. 【文题(必填)】 Communication and inventory as substitutes in organizing production 【年份(必填)】 1988 【全文链接或数据库名称(选填)】https://www.jstor. ...2021-5-14 14:30 - timesever - 求助成功区
变量筛选:R里的regsubset()
1 个回复 - 1518 次查看 Regsubset是自动根据R方,Cp,BIC来筛选包含几个变量为最佳模型,请问这个指令也适用于面板数据(双向固定效应)的变量筛选吗?还是只适用于OLS?2021-5-12 15:23 - 哇呜一口 - 计量经济学与统计软件
变量筛选:R里的regsubset指令
0 个回复 - 1041 次查看 R里的regsubset指令是根据R方,Cp,BIC做变量筛选,请问可以用来做面板数据模型的变量筛选吗?2021-5-12 15:19 - 哇呜一口 - 计量经济学与统计软件
Subsidies and the African Green Revolution: Direct Effects and Social Network Sp
3 个回复 - 831 次查看 【作者(必填)】 [*]Michael Carter [*]Rachid Laajaj [*]Dean Yang 【文题(必填)】 Subsidies and the African Green Revolution: Direct Effects and Social Network Spillovers of Randomized Input Subsid ...2021-4-3 12:02 - 宁静的城np - 求助成功区
求助下载R&D investment in new energy vehicles with purchase subsidy
6 个回复 - 829 次查看 【作者(必填)】 Xiao Feng ; Bo Huang ; Yuyu Li[/backcolor] 【文题(必填)】R&D investment in new energy vehicles with purchase subsidy based on technology adoption life cycle and customers’ choice be ...2020-12-11 10:42 - 封弦 - 求助成功区
请问怎么用substr或者substring从字符串除外末尾倒数的几个字符?
4 个回复 - 2871 次查看 请问怎么用substr或者substring从字符串末尾截取除外“万元人民币”的数字? 例如:2021-1-30 20:50 - huapeng66 - R语言论坛
Springer统计经典书籍:子抽样 Subsampling
56 个回复 - 8988 次查看 Springer统计经典书籍:子抽样 Subsampling 下载PDF文件: **** 本内容被作者隐藏 **** Series: Springer Series in Statistics Politis, Dimitris N., Romano, Joseph P., Wolf, Michael 1999, XVI, 3 ...2012-11-23 04:08 - linkim - 计量经济学与统计软件
错误: Must subset columns with a valid subscript
0 个回复 - 1536 次查看 ivInf2021-1-14 10:56 - TAT12 - R语言论坛
Regulation-Induced Pollution Substitution
4 个回复 - 832 次查看 【作者(必填)】 Matthew Gibson[/backcolor] 【文题(必填)】Regulation-Induced Pollution Substitution 【年份(必填)】2019 【全文链接或数据库名称(选填)】https://www.mitpressjournals.org/doi/full/10. ...2020-1-5 14:34 - zengxianfeng - 求助成功区
Q&As and Reviews: Substitutes or Complements?
0 个回复 - 346 次查看 【作者(必填)】Gaurav Jetley,Shivendu Shivendu 【文题(必填)】Q&As and Reviews: Substitutes or Complements? 【年份(必填)】2018 【全文链接或数据库名称(选填)】https://aisel.aisnet.org/amcis2018/D ...2020-12-29 15:37 - hpeng520 - 文献求助专区
The effects of problem representation on the sure-thing and substitution princip
1 个回复 - 658 次查看 【作者(必填)】 Keller[/backcolor],Lynn Robin[/backcolor] 【文题(必填)】 The effects of problem representation on[/backcolor] the sure-thing and substitution principles【年份(必填)】 1985 【全文 ...2020-12-11 11:56 - r9205009 - 求助成功区
求助下载R&D investment in new energy vehicles with purchase subsidy
0 个回复 - 224 次查看 【作者(必填)】Xiao Feng 1 ; Bo Huang 1 ; Yuyu Li 2 【文题(必填)】R&D investment in new energy vehicles with purchase subsidy based on technology adoption life cycle and customers’ choice behaviour ...2020-12-11 10:46 - 封弦 - 文献求助专区
subscript out of bounds
0 个回复 - 1138 次查看 代码如下: library(TSA) prewhiten(ds,dq) 运行结果却说 Error in y[, (nser + 1L):ncol(y)] : subscript out of bounds 请问如何解决这个问题呢? 谢谢各位大佬!!!2020-12-5 23:33 - woaifanfan - R语言论坛
【学习笔记】Cross subsidization
1 个回复 - 320 次查看 Cross subsidization2020-10-10 12:21 - 2021_1581992053 - Forum
【学习笔记】Cross-subsidization
1 个回复 - 350 次查看 Cross-subsidization2020-10-9 10:47 - 2021_1581992053 - Forum
Subsidize farmers or bioenergy producer? The design of a government subsidy
1 个回复 - 340 次查看 【作者(必填)】 Fei Ye[/backcolor] Zigong Cai[/backcolor] Ying‐Ju Chen[/backcolor] Yina Li[/backcolor] Gang Hou[/backcolor] 【文题(必填)】 Subsidize farmers or bioenergy producer? The ...2020-9-16 21:01 - 下雨就打伞 - 求助成功区
Are Nontariff Measures and Tariffs Substitutes? Some Panel Data Evidence
1 个回复 - 518 次查看 【作者(必填)】Niu, Zhaohui, Chris Milner, Saileshsingh Gunessee, and Chang Liu 【文题(必填)】Are Nontariff Measures and Tariffs Substitutes? Some Panel Data Evidence 【年份(必填)】2020 【全文 ...2020-9-10 09:07 - choukoei - 求助成功区