Joseph L. Gastwirth

George Washington University - Columbian College of Arts and Sciences

Washington, DC 20052

United States

http://www.gwu.edu/~stat/gastwirth.html

SCHOLARLY PAPERS

28

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CITATIONS
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Top 33,156

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6

Scholarly Papers (28)

1.

Where Have All the Women Gone? The Gender Gap in Supreme Court Clerkships

Jurimetrics, Vol. 49, No. 4, 2009, Penn State Legal Studies Research Paper No. 15-2010
Number of pages: 45 Posted: 10 Nov 2006 Last Revised: 09 Dec 2012
David H. Kaye and Joseph L. Gastwirth
Pennsylvania State University, Penn State Law and George Washington University - Columbian College of Arts and Sciences
Downloads 301 (76,049)

Abstract:

Supreme Court, law clerks, gender, discrimination, statistics, multiple hypothesis testing

2.

Some Important Statistical Issues Courts Should Consider in Their Assessment of Statistical Analyses Submitted in Class Certification Motions: Implications for Dukes v. Wal-Mart

Number of pages: 44 Posted: 20 Mar 2011
Joseph L. Gastwirth, Efstathia Bura and Weiwen Miao
George Washington University - Columbian College of Arts and Sciences, affiliation not provided to SSRN and Haverford College - Math Department
Downloads 169 (136,422)

Abstract:

class action, class certification, combination methods, discrimination, Dukes v. Wal-mart, equal employment, power of statistical tests, statistical proof, stratified data, trend tests

3.

Formal Statistical Analysis of the Data in Disparate Impact Cases Provides Sounder Inferences than the Government’s 'Four-Fifths' Rule: Examining the Statistical Evidence in Ricci v. Destephano

Number of pages: 23 Posted: 16 Apr 2009 Last Revised: 05 Jun 2009
Joseph L. Gastwirth and Weiwen Miao
George Washington University - Columbian College of Arts and Sciences and Haverford College - Math Department
Downloads 155 (149,203)

Abstract:

: disparate impact, equal employment, numerical disparity, reverse discrimination, tests of statistical significance

4.

A Robust Gini Type-Index Better Detects Shifts in the Income Distribution: A Reanalysis of Income Inequality in the United States from 1967-2011

Number of pages: 14 Posted: 21 Oct 2012
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 121 (164,217)

Abstract:

Atkinson index, coefficient of dispersion, coefficient of variation, Gini index, Lorenz curve, mean to median ratio, polarization, robustness, skewed distributions, Thiel index

5.

A Fairer Approach than TARP to Alleviate the Effect of the Credit Crunch on the Typical Taxpayer and Small Business

Number of pages: 4 Posted: 15 Feb 2009
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 115 (192,226)

Abstract:

: credit crunch, economic stimulus, fairness, financial crisis, TARP

6.

Statistical Measures and Methods for Assessing the Representativeness of Juries: A Reanalysis of the Data in Berghuis v. Smith

Number of pages: 46 Posted: 30 Dec 2009 Last Revised: 03 Jul 2010
Qing Pan and Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences and George Washington University - Columbian College of Arts and Sciences
Downloads 108 (198,595)
Citation 1

Abstract:

absolute disparity, comparative disparity, decision theory, fair representation, jury discrimination, measures of disparity or discrimination, selection ratio, statistical hypothesis testing

7.

Case Comment: The Need for Careful Analysis of the Statistical Summary in the Response to the Complaint in the Sec v. Goldman Sachs Case

Number of pages: 12 Posted: 07 May 2010
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 85 (234,268)

Abstract:

8.

Statistical Considerations Support the Supreme Court’s Decision in Matrixx Initiatives V. Siracusano

Number of pages: 16 Posted: 11 Sep 2011
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 81 (237,622)

Abstract:

9.

The Need to Carefully Interpret the Statistics Reporting the Accuracy of a Narcotics Detection Dog: Application to South Dakota v. Nguyen, State of Florida v. Harris and Similar Cases

Number of pages: 25 Posted: 30 Oct 2012
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 56 (289,232)

Abstract:

accuracy of dog sniffs, drug detection, predictive value, prevalence, probable cause, screening tests, sensitivity, specificity

10.

The Use of Peters-Belson Regression in Legal Cases

Number of pages: 22 Posted: 07 Dec 2010
Joseph L. Gastwirth, Efstathia Bura and Hiro Hikawa
George Washington University - Columbian College of Arts and Sciences, Vienna University of Technology - Institute for Mathematical Methods in Economics and Five Bridges Advisors, LLC
Downloads 49 (286,908)

Abstract:

11.

The Disappearance that Wasn't? 'Random Variation' in the Number of Women Supreme Court Clerks

Jurimetrics: The Journal of Law, Science, and Technology, Vol. 48, No. 4, pp. 457-463, Summer 2008
Number of pages: 7 Posted: 02 Sep 2008
David H. Kaye and Joseph L. Gastwirth
Pennsylvania State University, Penn State Law and George Washington University - Columbian College of Arts and Sciences
Downloads 42 (323,958)
Citation 1

Abstract:

Supreme Court clerks, employment, women, gender discrimination, time series, reversion to the mean

12.

Should Law and Public Policy Adopt 'Practical Causality' as the Appropriate Criteria for Deciding Product Liability Cases and Public Policy?

Number of pages: 23 Posted: 20 Aug 2012
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 39 (335,940)

Abstract:

: Bayesian inference, causality, epidemiology as evidence, preponderance of the evidence, product liability, Reye syndrome, substantial evidence

13.

Estimating the Fraction of 'Questionable' Artwork by Henry Moore for Sale on Ebay: Application of Latent Class Screening Test Methodology

Number of pages: 16 Posted: 01 Oct 2009
Hiro Hikawa, Wesley O. Johnson and Joseph L. Gastwirth
Five Bridges Advisors, LLC, University of California, Irvine and George Washington University - Columbian College of Arts and Sciences
Downloads 34 (362,634)

Abstract:

consumer protection, fake artwork, latent class methodology, prevalence estimation, screening tests

14.

A Sixty Million Dollar Statistical Issue Arising in the Interpretation and Calculation of a Measure of Relative Disparity: Zuni Public School District 89 v. U.S. Department of Education

Law, Probability and Risk, Forthcoming
Number of pages: 35 Posted: 08 Dec 2006
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 28 (377,541)

Abstract:

calculation of percentiles, disparity measures, educational funding, Federal Impact Aid Act, statutory interpretation

15.

Statistical Testing of Peremptory Challenge Data for Possible Discrimination: Application to Foster v. Chatman

Number of pages: 18 Posted: 30 Aug 2015 Last Revised: 01 Sep 2015
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 15 (301,655)

Abstract:

discrimination, fair representation on juries, peremptory challenges, Fisher's exact test

16.

How Accurate are the Power Calculations Relied Upon the SEC in its Regulatory Deliberations?

Number of pages: 12 Posted: 10 Nov 2008
Efstathia Bura and Joseph L. Gastwirth
affiliation not provided to SSRN and George Washington University - Columbian College of Arts and Sciences
Downloads 13 (459,643)

Abstract:

Regression; Indicator variables, Group comparison

17.

A Cautionary Note on Estimating the Standard Error of the Gini Index of Inequality

Oxford Bulletin of Economics and Statistics, Vol. 68, No. 3, pp. 385-390, June 2006
Number of pages: 6 Posted: 19 May 2006
Reza Modarres and Joseph L. Gastwirth
George Washington University and George Washington University - Columbian College of Arts and Sciences
Downloads 12 (469,875)
Citation 4
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Abstract:

18.

The Need to Carefully Interpret the Statistics Reporting the Accuracy of a Narcotics Detection Dog: Application to South Dakota v. Nguyen, State of Florida v. Harris and Similar Cases

Number of pages: 25 Posted: 30 Oct 2012
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 11 (464,817)

Abstract:

accuracy of dog sniffs, drug detection, predictive value, prevalence, probable cause, screening tests, sensitivity, specificity

19.

Is the Gini Index of Inequality Overly Sensitive to Changes in the Middle of the Income Distribution?

Number of pages: 19 Posted: 13 Dec 2016 Last Revised: 21 Jan 2017
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 0 (373,734)

Abstract:

Gini Index, Income Distribution, Sensitivity

20.

Measures of Economic Inequality Focusing on the Status of the Lower and Middle Income Groups

Number of pages: 23 Posted: 01 Jun 2016
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences
Downloads 0 (428,985)

Abstract:

Gini index, income inequality, Lorenz curve, median based indices, middle class

21.

How Accurate are the Power Calculations Relied on by the SEC in its Regulatory Deliberations?

Law, Probability & Risk, Vol. 8, Issue 3, pp. 277-288, 2009
Posted: 24 Nov 2009
Efstathia Bura and Joseph L. Gastwirth
Vienna University of Technology - Institute for Mathematical Methods in Economics and George Washington University - Columbian College of Arts and Sciences

Abstract:

comparing two groups, hypothesis tests, indicator variables, regression, statistical power

22.

Formal Statistical Analysis of the Data in Disparate Impact Cases Provides Sounder Inferences than the U. S. Government's ‘Four-Fifths’ Rule: An Examination of the Statistical Evidence in Ricci V. Destefano

Law, Probability & Risk, Vol. 8, Issue 2, pp. 171-191, 2009
Posted: 24 Nov 2009
Joseph L. Gastwirth and Weiwen Miao
George Washington University - Columbian College of Arts and Sciences and Haverford College - Math Department

Abstract:

disparate impact, equal employment, ‘four-fifths’, rule, numerical disparity, reverse discrimination, tests of statistical significance

23.

Issues in the Use of Survival Analysis to Estimate Damages in Equal Employment Cases

Law, Probability & Risk, Vol. 8, Issue 1, pp. 1-24, 2009
Posted: 28 Apr 2009
Qing Pan and Joseph L. Gastwirth
University of Michigan at Ann Arbor - School of Public Health and George Washington University - Columbian College of Arts and Sciences

Abstract:

damage compensation, discrimination, equal employment cases, accelerated failure time models, predicted job tenure, survival analysis

24.

The Effect of Dependence between Observations on the Proper Interpretation of Statistical Evidence

Law, Probability & Risk, Vol. 8, Issue 1, pp. 25-38, 2009
Posted: 28 Apr 2009
Yulia R. Gel, Weiwen Miao and Joseph L. Gastwirth
affiliation not provided to SSRN, Haverford College - Math Department and George Washington University - Columbian College of Arts and Sciences

Abstract:

serial correlation, dependence, non-parametric tests

25.

Case Comment: An Expert's Report Criticizing Plaintiff's Failure to Account for Multiple Comparisons is Deemed Admissible in Eeoc V.Autozone

Law, Probability & Risk, Vol. 7, Issue 1, pp. 61-74, 2008
Posted: 07 Jul 2008
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences

Abstract:

admissibility of expert testimony, combination methods, Daubert criteria, examining pre- and post-charge data, multiple comparisons, principles of statistical inference

26.

Grounded capital: venture financing and the geography of the Internet industry, 1994-2000

Law, Probability and Risk, Vol. 2, pp. 151-189, September 2003
Posted: 29 Feb 2008
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences

Abstract:

venture capital, Internet, e-commerce, dot-coms, entrepreneurship, regional development

27.

Statistical Methods for Assessing the Fairness of the Allocation of Shares in Initial Public Offerings

Law, Probability and Risk, Vol. 4, pp. 143-158, 2005
Posted: 29 Feb 2008
Efstathia Bura, Joseph L. Gastwirth and Reza Modarres
affiliation not provided to SSRN, George Washington University - Columbian College of Arts and Sciences and affiliation not provided to SSRN

Abstract:

initial public offering, fair allocation, discrimination, expectancy analysis, success rate comparison

28.

Some Issues Arising in the Presentation of Statistical Testimony

Law, Probability and Risk, Vol. 4, pp. 5-20, 2005
Posted: 29 Feb 2008
Joseph L. Gastwirth
George Washington University - Columbian College of Arts and Sciences

Abstract:

Daubert hearings, expert witness testimony, Mantel-Haenszel test, professional integrity, statistical power