Bill Griffiths

A note on inequality measures for mixtures of double Pareto–lognormal distributions

William Griffiths, Duangkamon Chotikapanich, Gholamreza Hajargasht

Journal article  |  2022  |  Australian Economic Papers

Formulas are derived for the Gini, Theil and Pietra coefficients for a population-weighted mixture of double Pareto–lognormal (dPL..

Rejoinder to Harville (2022) and Christensen (2022) Comments on "On the Power of the F-test for Hypotheses in a Linear Model," by Griffiths and Hill (2022)

William E Griffiths, R Carter Hill

Journal article  |  2022  |  AMERICAN STATISTICIAN

Inequality in Education: A Comparison of Australian Indigenous and Nonindigenous Populations

D Gunawan, W Griffiths, D Chotikapanich

Journal article  |  2022  |  Statistics, Politics and Policy

Data from the Household Income and Labour Dynamics in Australia Survey is used to estimate distributions for the level of educatio..

Modelling Income Distributions with Limited Data

Duangkamon Chotikapanich, William Griffiths, Gholamreza Hajargasht

Book Chapter  |  2022

Minimum distance and maximum likelihood methods for estimating parametric income distributions from grouped data are summarized. F..

On the Power of the F-test for Hypotheses in a Linear Model

WE Griffiths, RC Hill

Journal article  |  2022  |  American Statistician

We improve students’ understanding of the F-test for linear hypotheses in a linear model by explaining elements that affect the po..

Low-Quality Patents in the Eye of the Beholder: Evidence from Multiple Examiners

Gaetan de Rassenfosse, William E Griffiths, Adam B Jaffe, Elizabeth Webster

Journal article  |  2021  |  JOURNAL OF LAW ECONOMICS & ORGANIZATION

A low-quality patent system threatens to slow the pace of technological progress. Concerns about low patent quality are supported ..

Posterior Probabilities for Lorenz and Stochastic Dominance of Australian Income Distributions*

David Gunawan, William E Griffiths, Duangkamon Chotikapanich

Journal article  |  2021  |  ECONOMIC RECORD

Using Household, Income and Labour Dynamics in Australia (HILDA) data for 2001, 2006, 2010, 2014 and 2017, we compute posterior pr..

Bayesian assessment of Lorenz and stochastic dominance

D Lander, D Gunawan, W Griffiths, D Chotikapanich

Journal article  |  2020  |  Canadian Journal of Economics

We introduce a Bayesian approach for assessing Lorenz and stochastic dominance. For two income distributions, say X and Y, estimat..

Bayesian weighted inference from surveys

William Griffiths, D GUNAWAN, A Panagiotelis, D Chotikapanich

Journal article  |  2020  |  Australian and New Zealand Journal of Statistics

Data from large surveys are often supplemented with sampling weights that are designed to reflect unequal probabilities of respons..

Minimum distance estimation of parametric Lorenz curves based on grouped data

G Hajargasht, WE Griffiths

Journal article  |  2020  |  Econometric Reviews

The Lorenz curve, introduced more than 100 years ago, remains as one of the main tools for analysis of inequality. International i..