arXiv: Econometrics最新文献

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Modeling Macroeconomic Variations after Covid-19 Covid-19后宏观经济变化建模
arXiv: Econometrics Pub Date : 2021-03-03 DOI: 10.3386/W29060
Serena Ng
{"title":"Modeling Macroeconomic Variations after Covid-19","authors":"Serena Ng","doi":"10.3386/W29060","DOIUrl":"https://doi.org/10.3386/W29060","url":null,"abstract":"The coronavirus is a global event of historical proportions and just a few months changed the time series properties of the data in ways that make many pre-covid forecasting models inadequate. It also creates a new problem for estimation of economic factors and dynamic causal effects because the variations around the outbreak can be interpreted as outliers, as shifts to the distribution of existing shocks, or as addition of new shocks. I take the latter view and use covid indicators as controls to 'de-covid' the data prior to estimation. I find that economic uncertainty remains high at the end of 2020 even though real economic activity has recovered and covid uncertainty has receded. Dynamic responses of variables to shocks in a VAR similar in magnitude and shape to the ones identified before 2020 can be recovered by directly or indirectly modeling covid and treating it as exogenous. These responses to economic shocks are distinctly different from those to a covid shock, and distinguishing between the two types of shocks can be important in macroeconomic modeling post-covid.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72552209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Estimation and Inference by Stochastic Optimization: Three Examples 随机优化的估计和推理:三个例子
arXiv: Econometrics Pub Date : 2021-02-20 DOI: 10.1257/PANDP.20211038
Jean-Jacques Forneron, Serena Ng
{"title":"Estimation and Inference by Stochastic Optimization: Three Examples","authors":"Jean-Jacques Forneron, Serena Ng","doi":"10.1257/PANDP.20211038","DOIUrl":"https://doi.org/10.1257/PANDP.20211038","url":null,"abstract":"This paper illustrates two algorithms designed in Forneron & Ng (2020): the resampled Newton-Raphson (rNR) and resampled quasi-Newton (rqN) algorithms which speed-up estimation and bootstrap inference for structural models. An empirical application to BLP shows that computation time decreases from nearly 5 hours with the standard bootstrap to just over 1 hour with rNR, and only 15 minutes using rqN. A first Monte-Carlo exercise illustrates the accuracy of the method for estimation and inference in a probit IV regression. A second exercise additionally illustrates statistical efficiency gains relative to standard estimation for simulation-based estimation using a dynamic panel regression example.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88377693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Testable implications of multiple equilibria in discrete games with correlated types 具有相关类型的离散博弈中多重均衡的可检验意义
arXiv: Econometrics Pub Date : 2020-12-01 DOI: 10.47004/wp.cem.2020.5620
Á. D. Paula, Xun Tang
{"title":"Testable implications of multiple equilibria in discrete games with correlated types","authors":"Á. D. Paula, Xun Tang","doi":"10.47004/wp.cem.2020.5620","DOIUrl":"https://doi.org/10.47004/wp.cem.2020.5620","url":null,"abstract":"We study testable implications of multiple equilibria in discrete games with incomplete information. Unlike de Paula and Tang (2012), we allow the players' private signals to be correlated. In static games, we leverage independence of private types across games whose equilibrium selection is correlated. In dynamic games with serially correlated discrete unobserved heterogeneity, our testable implication builds on the fact that the distribution of a sequence of choices and states are mixtures over equilibria and unobserved heterogeneity. The number of mixture components is a known function of the length of the sequence as well as the cardinality of equilibria and unobserved heterogeneity support. In both static and dynamic cases, these testable implications are implementable using existing statistical tools.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85633572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Gaussian transforms modeling and the estimation of distributional regression functions 高斯变换建模和分布回归函数的估计
arXiv: Econometrics Pub Date : 2020-11-12 DOI: 10.47004/wp.cem.2020.5320
R. Spady, S. Stouli
{"title":"Gaussian transforms modeling and the estimation of distributional regression functions","authors":"R. Spady, S. Stouli","doi":"10.47004/wp.cem.2020.5320","DOIUrl":"https://doi.org/10.47004/wp.cem.2020.5320","url":null,"abstract":"Conditional distribution functions are important statistical objects for the analysis of a wide class of problems in econometrics and statistics. We propose flexible Gaussian representations for conditional distribution functions and give a concave likelihood formulation for their global estimation. We obtain solutions that satisfy the monotonicity property of conditional distribution functions, including under general misspecification and in finite samples. A Lasso-type penalized version of the corresponding maximum likelihood estimator is given that expands the scope of our estimation analysis to models with sparsity. Inference and estimation results for conditional distribution, quantile and density functions implied by our representations are provided and illustrated with an empirical example and simulations.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74320469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simple misspecification adaptive inference for interval identified parameters 区间识别参数的简单错配自适应推理
arXiv: Econometrics Pub Date : 2020-10-20 DOI: 10.47004/wp.cem.2020.5520
Jörg Stoye
{"title":"Simple misspecification adaptive inference for interval identified parameters","authors":"Jörg Stoye","doi":"10.47004/wp.cem.2020.5520","DOIUrl":"https://doi.org/10.47004/wp.cem.2020.5520","url":null,"abstract":"This paper revisits the simple, but empirically salient, problem of inference on a real-valued parameter that is partially identified through upper and lower bounds with asymptotically normal estimators. A simple confidence interval is proposed and is shown to have the following properties: \u0000- It is never empty or awkwardly short, including when the sample analog of the identified set is empty. \u0000- It is valid for a well-defined pseudotrue parameter whether or not the model is well-specified. \u0000- It involves no tuning parameters and minimal computation. \u0000In general, computing the interval requires concentrating out one scalar nuisance parameter. For uncorrelated estimators of bounds --notably if bounds are estimated from distinct subsamples-- and conventional coverage levels, this step can be skipped. The proposed $95%$ confidence interval then simplifies to the union of a simple $90%$ (!) confidence interval for the partially identified parameter and an equally simple $95%$ confidence interval for a point-identified pseudotrue parameter. This case obtains in the motivating empirical application, in which improvement over existing inference methods is demonstrated. More generally, simulations suggest excellent length and size control properties.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82653665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterogeneous coefficients, control variables, and identification of treatment effects 异质性系数、控制变量和治疗效果的识别
arXiv: Econometrics Pub Date : 2020-09-04 DOI: 10.47004/10.47004/wp.cem.2020.4520
Whitney Newey, S. Stouli
{"title":"Heterogeneous coefficients, control variables, and identification of treatment effects","authors":"Whitney Newey, S. Stouli","doi":"10.47004/10.47004/wp.cem.2020.4520","DOIUrl":"https://doi.org/10.47004/10.47004/wp.cem.2020.4520","url":null,"abstract":"Multidimensional heterogeneity and endogeneity are important features of models with multiple treatments. We consider a heterogeneous coefficients model where the outcome is a linear combination of dummy treatment variables, with each variable representing a different kind of treatment. We use control variables to give necessary and sufficient conditions for identification of average treatment effects. With mutually exclusive treatments we find that, provided the generalized propensity scores (Imbens, 2000) are bounded away from zero with probability one, a simple identification condition is that their sum be bounded away from one with probability one. These results generalize the classical identification result of Rosenbaum and Rubin (1983) for binary treatments.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78501564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Total Error and Variability Measures for the Quarterly Workforce Indicators and Lehd Origin-Destination Employment Statistics in Onthemap 总误差和变异性测量的季度劳动力指标和Lehd始发地就业统计在地图上
arXiv: Econometrics Pub Date : 2020-07-27 DOI: 10.1093/jssam/smaa029
Kevin McKinney, Andrew S. Green, L. Vilhuber, J. Abowd
{"title":"Total Error and Variability Measures for the Quarterly Workforce Indicators and Lehd Origin-Destination Employment Statistics in Onthemap","authors":"Kevin McKinney, Andrew S. Green, L. Vilhuber, J. Abowd","doi":"10.1093/jssam/smaa029","DOIUrl":"https://doi.org/10.1093/jssam/smaa029","url":null,"abstract":"We report results from the first comprehensive total quality evaluation of five major indicators in the U.S. Census Bureau's Longitudinal Employer-Household Dynamics (LEHD) Program Quarterly Workforce Indicators (QWI): total flow-employment, beginning-of-quarter employment, full-quarter employment, average monthly earnings of full-quarter employees, and total quarterly payroll. Beginning-of-quarter employment is also the main tabulation variable in the LEHD Origin-Destination Employment Statistics (LODES) workplace reports as displayed in OnTheMap (OTM), including OnTheMap for Emergency Management. We account for errors due to coverage; record-level non-response; edit and imputation of item missing data; and statistical disclosure limitation. The analysis reveals that the five publication variables under study are estimated very accurately for tabulations involving at least 10 jobs. Tabulations involving three to nine jobs are a transition zone, where cells may be fit for use with caution. Tabulations involving one or two jobs, which are generally suppressed on fitness-for-use criteria in the QWI and synthesized in LODES, have substantial total variability but can still be used to estimate statistics for untabulated aggregates as long as the job count in the aggregate is more than 10.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73176046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Evaluating the Effectiveness of Regional Lockdown Policies in the Containment of Covid-19: Evidence from Pakistan 评估区域封锁政策在遏制Covid-19中的有效性:来自巴基斯坦的证据
arXiv: Econometrics Pub Date : 2020-06-04 DOI: 10.31219/osf.io/sekbc
Hamza Umer, M. S. Khan
{"title":"Evaluating the Effectiveness of Regional Lockdown Policies in the Containment of Covid-19: Evidence from Pakistan","authors":"Hamza Umer, M. S. Khan","doi":"10.31219/osf.io/sekbc","DOIUrl":"https://doi.org/10.31219/osf.io/sekbc","url":null,"abstract":"To slow down the spread of Covid-19, administrative regions within Pakistan imposed complete and partial lockdown restrictions on socio-economic activities, religious congregations, and human movement. Here we examine the impact of regional lockdown strategies on Covid-19 outcomes. After conducting econometric analyses (Regression Discontinuity and Negative Binomial Regressions) on official data from the National Institute of Health (NIH) Pakistan, we find that strategies did not lead to a similar level of Covid-19 caseload (positive cases and deaths) in all regions. In terms of reduction in the overall caseload (positive cases and deaths), compared to no lockdown, complete and partial lockdown were effective in four regions: Balochistan, Gilgit Baltistan (GB), Islamabad Capital Territory (ICT), and Azad Jammu and Kashmir (AJK). Contrarily, complete and partial lockdowns were ineffective in containing the virus in the Punjab, Sindh, and Khyber Pakhtunkhwa (KPK) regions. A divided response of the government, a significant proportion of daily wagers, poor habitat conditions, religious gatherings, and public attitude towards the virus jointly contributed to the ineffectiveness of lockdowns in the three largest regions. The observed regional heterogeneity in the effectiveness of lockdowns advocates for careful use of lockdown strategies based on the political, demographic, socio-economic, and religious factors.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89789624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Moment Conditions for Dynamic Panel Logit Models with Fixed Effects 具有固定效应的动态面板Logit模型的力矩条件
arXiv: Econometrics Pub Date : 2020-05-12 DOI: 10.1920/WP.CEM.2020.3820
M. Weidner, Bo E. Honor'e
{"title":"Moment Conditions for Dynamic Panel Logit Models with Fixed Effects","authors":"M. Weidner, Bo E. Honor'e","doi":"10.1920/WP.CEM.2020.3820","DOIUrl":"https://doi.org/10.1920/WP.CEM.2020.3820","url":null,"abstract":"This paper builds on Bonhomme (2012) to develop a method to systematically construct moment conditions for dynamic panel data logit models with fixed effects. After introducing the moment conditions obtained in this way, we explore their implications for identification and estimation of the model parameters that are common to all individuals, and we find that those common model parameters are estimable at root-$n$ rate for many more dynamic panel logit models than has been appreciated by the existing literature. In the case where the model contains one lagged variable, the moment conditions in Kitazawa (2013, 2016) are transformations of a subset of ours. A GMM estimator that is based on the moment conditions is shown to perform well in Monte Carlo simulations and in an empirical illustration to labor force participation.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82312269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Arctic Amplification of Anthropogenic Forcing: A Vector Autoregressive Analysis 北极人为强迫的放大:一个矢量自回归分析
arXiv: Econometrics Pub Date : 2020-05-05 DOI: 10.1175/JCLI-D-20-0324.1
Philippe Goulet Coulombe, M. Gobel
{"title":"Arctic Amplification of Anthropogenic Forcing: A Vector Autoregressive Analysis","authors":"Philippe Goulet Coulombe, M. Gobel","doi":"10.1175/JCLI-D-20-0324.1","DOIUrl":"https://doi.org/10.1175/JCLI-D-20-0324.1","url":null,"abstract":"Arctic sea ice extent (SIE) in September 2019 ranked second-to-lowest in history and is trending downward. The understanding of how internal variability amplifies the effects of external $text{CO}_2$ forcing is still limited. We propose the VARCTIC, which is a Vector Autoregression (VAR) designed to capture and extrapolate Arctic feedback loops. VARs are dynamic simultaneous systems of equations, routinely estimated to predict and understand the interactions of multiple macroeconomic time series. Hence, the VARCTIC is a parsimonious compromise between fullblown climate models and purely statistical approaches that usually offer little explanation of the underlying mechanism. Our \"business as usual\" completely unconditional forecast has SIE hitting 0 in September by the 2060s. Impulse response functions reveal that anthropogenic $text{CO}_2$ emission shocks have a permanent effect on SIE - a property shared by no other shock. Further, we find Albedo- and Thickness-based feedbacks to be the main amplification channels through which $text{CO}_2$ anomalies impact SIE in the short/medium run. Conditional forecast analyses reveal that the future path of SIE crucially depends on the evolution of $text{CO}_2$ emissions, with outcomes ranging from recovering SIE to it reaching 0 in the 2050s. Finally, Albedo and Thickness feedbacks are shown to play an important role in accelerating the speed at which predicted SIE is heading towards 0.","PeriodicalId":8448,"journal":{"name":"arXiv: Econometrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73771378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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