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Testing for sparse idiosyncratic components in factor-augmented regression models 检验因子增强回归模型中的稀疏特异性成分
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105845
Jad Beyhum , Jonas Striaukas
{"title":"Testing for sparse idiosyncratic components in factor-augmented regression models","authors":"Jad Beyhum ,&nbsp;Jonas Striaukas","doi":"10.1016/j.jeconom.2024.105845","DOIUrl":"10.1016/j.jeconom.2024.105845","url":null,"abstract":"<div><p>We propose a novel bootstrap test of a dense model, namely factor regression, against a sparse plus dense alternative model augmented with sparse idiosyncratic components. The asymptotic properties of the test are established under time series dependence and polynomial tails. We outline a data-driven rule to select the tuning parameter and prove its theoretical validity. In simulation experiments, our procedure exhibits high power against sparse alternatives and low power against dense deviations from the null. Moreover, we apply our test to various datasets in macroeconomics and finance and often reject the null. This suggests the presence of sparsity — on top of a dense component — in commonly studied economic applications. The R package ‘<span>FAS</span>’ implements our approach.</p></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105845"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142097629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On uniform confidence intervals for the tail index and the extreme quantile 关于尾部指数和极值量级的统一置信区间
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105865
Yuya Sasaki , Yulong Wang
{"title":"On uniform confidence intervals for the tail index and the extreme quantile","authors":"Yuya Sasaki ,&nbsp;Yulong Wang","doi":"10.1016/j.jeconom.2024.105865","DOIUrl":"10.1016/j.jeconom.2024.105865","url":null,"abstract":"<div><div>This paper presents two results concerning uniform confidence intervals for the tail index and the extreme quantile. First, we show that there exists a lower bound of the length for confidence intervals that satisfy the correct uniform coverage over a nonparametric family of tail distributions. Second, in light of the impossibility result, we construct honest confidence intervals that are uniformly valid by incorporating the worst-case bias in the nonparametric family. The proposed method is applied to simulated data and real data of financial time series.</div></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105865"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142327623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-dimensional model-assisted inference for treatment effects with multi-valued treatments 多值治疗效果的高维模型辅助推论
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105852
Wenfu Xu , Zhiqiang Tan
{"title":"High-dimensional model-assisted inference for treatment effects with multi-valued treatments","authors":"Wenfu Xu ,&nbsp;Zhiqiang Tan","doi":"10.1016/j.jeconom.2024.105852","DOIUrl":"10.1016/j.jeconom.2024.105852","url":null,"abstract":"<div><div>Consider estimation of average treatment effects with multi-valued treatments using augmented inverse probability weighted (IPW) estimators, depending on outcome regression and propensity score models in high-dimensional settings. These regression models are often fitted by regularized likelihood-based estimation, while ignoring how the fitted functions are used in the subsequent inference about the treatment parameters. Such separate estimation can be associated with known difficulties in existing methods. We develop regularized calibrated estimation for fitting propensity score and outcome regression models, where sparsity-including penalties are employed to facilitate variable selection but the loss functions are carefully chosen such that valid confidence intervals can be obtained under possible model misspecification. Unlike in the case of binary treatments, the usual augmented IPW estimator is generalized to ensure just-identification of parameters from new calibration equations. For propensity score estimation, the new loss function and estimating functions are directly tied to achieving covariate balance between weighted treatment groups. We develop practical algorithms for computing the regularized calibrated estimators with group Lasso by innovatively exploiting Fisher scoring, and provide rigorous high-dimensional analysis for the resulting augmented IPW estimators under suitable sparsity conditions, while tackling technical issues absent or overlooked in previous analyses. We present simulation studies and an empirical application to estimate the effects of maternal smoking on birth weights. The proposed methods are implemented in the R package <span>mRCAL</span>.</div></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105852"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0304407624001970/pdfft?md5=bcd51f3983e07a702d8ed2d7dc8fdb38&pid=1-s2.0-S0304407624001970-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142314950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Latent utility and permutation invariance: A revealed preference approach 潜在效用和排列不变性:揭示偏好法
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105844
Roy Allen , John Rehbeck
{"title":"Latent utility and permutation invariance: A revealed preference approach","authors":"Roy Allen ,&nbsp;John Rehbeck","doi":"10.1016/j.jeconom.2024.105844","DOIUrl":"10.1016/j.jeconom.2024.105844","url":null,"abstract":"<div><div>This paper provides partial identification results for latent utility models that satisfy an invariance property on unobservables such as exchangeability. We employ a simple revealed preference argument to “difference out” unobservables, obtaining identifying inequalities for utility indices. We show the differencing argument is also useful for counterfactual analysis. The framework generalizes existing work in discrete choice by allowing latent feasibility sets and by allowing individuals to purchase multiple (possibly continuous) goods. We present a new framework leveraging nesting structures that generalizes nested logit. In a panel setting, we innovate by allowing preferences for variety.</div></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105844"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0304407624001891/pdfft?md5=f06dc5d27091606b5c0da892b207657d&pid=1-s2.0-S0304407624001891-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142311360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterogeneous treatment effect bounds under sample selection with an application to the effects of social media on political polarization 样本选择下的异质性处理效应边界,应用于社交媒体对政治极化的影响
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105856
Phillip Heiler
{"title":"Heterogeneous treatment effect bounds under sample selection with an application to the effects of social media on political polarization","authors":"Phillip Heiler","doi":"10.1016/j.jeconom.2024.105856","DOIUrl":"10.1016/j.jeconom.2024.105856","url":null,"abstract":"<div><p>We propose a method for estimation and inference for bounds for heterogeneous causal effect parameters in general sample selection models where the treatment can affect whether an outcome is observed and no exclusion restrictions are available. The method provides conditional effect bounds as functions of policy relevant pre-treatment variables. It allows for conducting valid statistical inference on the unidentified conditional effects. We use a flexible debiased/double machine learning approach that can accommodate non-linear functional forms and high-dimensional confounders. Easily verifiable high-level conditions for estimation, misspecification robust confidence intervals, and uniform confidence bands are provided as well. We re-analyze data from a large scale field experiment on Facebook on counter-attitudinal news subscription with attrition. Our method yields substantially tighter effect bounds compared to conventional methods and suggests depolarization effects for younger users.</p></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105856"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S030440762400201X/pdfft?md5=6a6addc12c3ac7b4b64d5b0fb4fdde73&pid=1-s2.0-S030440762400201X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142239562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
GMM estimation for high-dimensional panel data models 高维面板数据模型的 GMM 估算
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105853
Tingting Cheng , Chaohua Dong , Jiti Gao , Oliver Linton
{"title":"GMM estimation for high-dimensional panel data models","authors":"Tingting Cheng ,&nbsp;Chaohua Dong ,&nbsp;Jiti Gao ,&nbsp;Oliver Linton","doi":"10.1016/j.jeconom.2024.105853","DOIUrl":"10.1016/j.jeconom.2024.105853","url":null,"abstract":"<div><p>In this paper, we study a class of high dimensional moment restriction panel data models with interactive effects, where the factors are unobserved and these factor loadings are nonparametrically unknown smooth functions of individual characteristic variables. We allow the dimension of the parameter vector and the number of moment conditions to diverge with the sample size. This is a very general framework and is closely related to many existing linear and nonlinear panel data models. In order to estimate the unknown parameters, factors and factor loadings, we propose a sieve-based generalized method of moments estimation method and we show that under a set of simple identification conditions, all those unknown quantities can be consistently estimated. Further we establish asymptotic distributions of the proposed estimators. In addition, we propose tests for over-identification, specification of factor loading functions, and establish their large sample properties. Moreover, a number of simulation studies are conducted to examine the performance of the proposed estimators and test statistics in finite samples. An empirical example on stock return prediction is studied to demonstrate both the empirical relevance and the applicability of the proposed framework and corresponding estimation and testing methods.</p></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105853"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0304407624001982/pdfft?md5=d3431c6c6b2ea9a2232bb95323a846ed&pid=1-s2.0-S0304407624001982-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142239564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measuring diagnostic test performance using imperfect reference tests: A partial identification approach 利用不完善的参考测试衡量诊断测试的性能:部分鉴定方法
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105842
Filip Obradović
{"title":"Measuring diagnostic test performance using imperfect reference tests: A partial identification approach","authors":"Filip Obradović","doi":"10.1016/j.jeconom.2024.105842","DOIUrl":"10.1016/j.jeconom.2024.105842","url":null,"abstract":"<div><p>Diagnostic tests are almost never perfect. Studies quantifying their performance use knowledge of the true health status, measured with a reference diagnostic test. Researchers commonly assume that the reference test is perfect, which is often not the case in practice. When the assumption fails, conventional studies identify “apparent” performance or performance with respect to the reference, but not true performance. This paper provides the smallest possible bounds on the measures of true performance — sensitivity (true positive rate) and specificity (true negative rate), or equivalently false positive and negative rates, in standard settings. Implied bounds on policy-relevant parameters are derived: (1) Prevalence in screened populations; (2) Predictive values. Methods for inference based on moment inequalities are used to construct uniformly consistent confidence sets in level over a relevant family of data distributions. Emergency Use Authorization (EUA) and independent study data for the BinaxNOW COVID-19 antigen test demonstrate that the bounds can be very informative. Analysis reveals that the estimated false negative rates for symptomatic and asymptomatic patients are up to 3.17 and 4.59 times higher than the frequently cited “apparent” false negative rate. Further applicability of the results in the context of imperfect proxies such as survey responses and imputed protected classes is indicated.</p></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105842"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142168782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Estimating option pricing models using a characteristic function-based linear state space representation 使用基于特征函数的线性状态空间表示法估算期权定价模型
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105864
H. Peter Boswijk , Roger J.A. Laeven , Evgenii Vladimirov
{"title":"Estimating option pricing models using a characteristic function-based linear state space representation","authors":"H. Peter Boswijk ,&nbsp;Roger J.A. Laeven ,&nbsp;Evgenii Vladimirov","doi":"10.1016/j.jeconom.2024.105864","DOIUrl":"10.1016/j.jeconom.2024.105864","url":null,"abstract":"<div><div>We develop a novel filtering and estimation procedure for parametric option pricing models driven by general affine jump-diffusions. Our procedure is based on the comparison between an option-implied, model-free representation of the conditional log-characteristic function and the model-implied conditional log-characteristic function, which is functionally affine in the model’s state vector. We formally derive an associated linear state space representation and the asymptotic properties of the corresponding measurement errors. The state space representation allows us to use a suitably modified Kalman filtering technique to learn about the latent state vector and a quasi-maximum likelihood estimator of the model parameters, for which we establish asymptotic inference results. Accordingly, the filtering and estimation procedure brings important computational advantages. We analyze the finite-sample behavior of our procedure in Monte Carlo simulations. The applicability of our procedure is illustrated in two case studies that analyze S&amp;P 500 option prices and the impact of exogenous state variables capturing Covid-19 reproduction and economic policy uncertainty.</div></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105864"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142422074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An unbounded intensity model for point processes 点过程的无界强度模型
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105840
Kim Christensen , Aleksey Kolokolov
{"title":"An unbounded intensity model for point processes","authors":"Kim Christensen ,&nbsp;Aleksey Kolokolov","doi":"10.1016/j.jeconom.2024.105840","DOIUrl":"10.1016/j.jeconom.2024.105840","url":null,"abstract":"<div><p>We develop a model for point processes on the real line, where the intensity can be locally unbounded without inducing an explosion. In contrast to an orderly point process, for which the probability of observing more than one event over a short time interval is negligible, the bursting intensity causes an extreme clustering of events around the singularity. We propose a nonparametric approach to detect such bursts in the intensity. It relies on a heavy traffic condition, which admits inference for point processes over a finite time interval. With Monte Carlo evidence, we show that our testing procedure exhibits size control under the null, whereas it has high rejection rates under the alternative. We implement our approach on high-frequency data for the EUR/USD spot exchange rate, where the test statistic captures abnormal surges in trading activity. We detect a nontrivial amount of intensity bursts in these data and describe their basic properties. Trading activity during an intensity burst is positively related to volatility, illiquidity, and the probability of observing a drift burst. The latter effect is reinforced if the order flow is imbalanced or the price elasticity of the limit order book is large.</p></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105840"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0304407624001854/pdfft?md5=93aab3c0b2d370e0d64aae438b804950&pid=1-s2.0-S0304407624001854-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142040253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Large Bayesian SVARs with linear restrictions 具有线性限制的大型贝叶斯 SVAR
IF 9.9 3区 经济学
Journal of Econometrics Pub Date : 2024-08-01 DOI: 10.1016/j.jeconom.2024.105850
Chenghan Hou
{"title":"Large Bayesian SVARs with linear restrictions","authors":"Chenghan Hou","doi":"10.1016/j.jeconom.2024.105850","DOIUrl":"10.1016/j.jeconom.2024.105850","url":null,"abstract":"<div><p>This paper develops a Markov Chain Monte Carlo (MCMC) algorithm for Bayesian inference in large structural vector autoregressions (SVARs) with linear restrictions. Our proposed method is based on a novel parameter transformation scheme, which aims to facilitate sampling from the posterior distribution of model parameters when linear equality and inequality restrictions are imposed on contemporaneous impulse responses. A prominent feature of the proposed methodology is its applicability for inference in SVARs with over-identifying restrictions. In our empirical application, we demonstrate the usefulness of our method by employing a large Proxy-SVAR with multiple proxy variables to simultaneously identify multiple macroeconomic shocks and investigate their contributions to the 2007–09 Recession.</p></div>","PeriodicalId":15629,"journal":{"name":"Journal of Econometrics","volume":"244 1","pages":"Article 105850"},"PeriodicalIF":9.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142270375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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