Melbourne Institute of Applied Economic and Social Research - Research Publications
Permanent URI for this collection
Search Results
1 - 9 of 9
-
ItemSurvey under-coverage of top incomes and estimation of inequality: what is the role of the UK’s SPI adjustment?(Wiley, 2018-06)Survey under-coverage of top incomes leads to bias in survey-based estimates of overall income inequality. Using income tax record data in combination with survey data is a potential approach to address the problem; we consider here the UK’s pioneering ‘SPI adjustment’ method that implements this idea. Since 1992, the principal income distribution series (reported annually in Households Below Average Income) has been based on household survey data in which the incomes of a small number of ‘very rich’ individuals are adjusted using information from ‘very rich’ individuals in personal income tax return data. We explain what the procedure involves, reveal the extent to which it addresses survey under- coverage of top incomes, and show how it affects estimates of overall income inequality. More generally, we assess whether the SPI adjustment is fit for purpose and consider whether variants of it could be employed by other countries.
-
ItemTop incomes and inequality in the UK: reconciling estimates from household survey and tax return data(Oxford University Press, 2018-04-01)We provide the first systematic comparison of UK inequality estimates derived from tax data (World Wealth and Income Database) and household survey data (the Households Below Average Income [HBAI] subfile of the Family Resources Survey). We document by how much existing survey data underestimate top income shares relative to tax data. Exploiting the flexibility that access to unit-record survey data provides, we then derive new top-income-adjusted data. These data enable us to: better track tax-data-estimated top income shares; change the definitions of income, income-sharing unit, and unit of analysis used and thereby undertake more comparable cross-national comparisons (we provide a UK-US illustration); and examine UK inequality levels and trends using four summary indices. Our estimates reveal a greater rise in the inequality of equivalized gross household income among all persons between the mid-1990s and late 2000s than shown by the corresponding HBAI series, especially between 2004/05 and 2007/08.undertake more comparable cross-national comparisons (we provide a UK-US illustration); and examine UK inequality levels and trends using four summary indices. Our estimates reveal a greater rise in the inequality of equivalized gross household income among all persons between the mid-1990s and late-2000s than shown by the corresponding HBAI series, especially between 2004/05 and 2007/08.
-
ItemSurvey Under-Coverage of Top Incomes and Estimation of Inequality: What Is the Role of the UK’s SPI Adjustment?(Melbourne Institute of Applied Economic and Social Research, 2017)Survey under-coverage of top incomes leads to bias in survey-based estimates of overall income inequality. Using income tax record data in combination with survey data is a potential approach to address the problem; we consider here the UK’s pioneering ‘SPI adjustment’ method that implements this idea. Since 1992, the principal income distribution series (reported annually in Households Below Average Income) has been based on household survey data in which the incomes of a small number of ‘very rich’ individuals are adjusted using information from ‘very rich’ individuals in personal income tax return data. We explain what the procedure involves, reveal the extent to which it addresses survey under-coverage of top incomes, and show how it affects estimates of overall income inequality. More generally, we assess whether the SPI adjustment is fit for purpose and consider whether variants of it could be employed by other countries.
-
ItemFood insecurity and homelessness in the Journeys Home survey(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2017-09)Homelessness not only deprives people of comfort, safety, and dignity but may also cause other problems, including food insecurity. This study uses data from the Journeys Home survey, a large national longitudinal survey of disadvantaged Australians who were homeless or at risk of homelessness, to estimate multivariate behavioural Rasch models of the association between homelessness and food insecurity. The Journeys Home survey includes an extensive set of measures of people's circumstances that we include in our models. We also estimate dummy endogenous variable specifications. All our specifications indicate that homelessness is associated with higher (worse) food insecurity for men. We find unconditional associations in the same direction for women, but these become statistically insignificant when we include extensive sets of observed controls in our models or estimate dummy endogenous variable specifications. Finally, we investigate how homelessness is related to food consumption, meal consumption, and food expenditures. Food expenditures are negatively associated with homelessness for men in all our specifications; however, the other food outcomes for men and women do not show consistent, statistically significant associations.
-
ItemIntergenerational correlation of labor market outcomes(Springer US, 2016-03-01)This paper contributes to the relatively limited literature on the correlation of labor market outcomes of parents and their children. This literature is relevant to the larger literature on intergenerational income mobility since correlation in intergenerational labor market outcomes is one of the potential factors contributing to the intergenerational correlation of permanent incomes. In this paper, we consider the time spent in unemployment by both sons and daughters, while accounting for the potential endogeneity of education. Using the Household, Income and Labour Dynamics in Australia data, we find evidence of a positive correlation of labor market outcomes between fathers and sons and, to a lesser extent, between mothers and daughters. In addition, the results reveal a significant relationship between parents’ and children’s education levels, indicating that there is an indirect association of parental education with their children’s labor market outcomes through education.
-
ItemWhat Has Been Happening to UK Income Inequality Since the Mid-1990s? Answers from Reconciled and Combined Household Survey and Tax Return Data(Melbourne Institute of Applied Economic and Social Research, 2016)
-
ItemExplaining the equalising effect of panel-income changes(De Gruyter, 2016-09-01)Panel-income changes tend to be equalising but existing approaches provide little insight on the nature of this equalising process. I present a new decomposition framework showing explicitly how the equalising effect of panel-income changes depends on the respective size and distribution of panel-income gains and losses. One of the new insights gained from the application to US data for the 1970/2009 period is that most of the equalising effect occurs through income gains rather than income losses even in times of recession.
-
ItemRecent Trends in Income Redistribution in Australia: Can Changes in the Tax-Benefit System Account for the Decline in Redistribution?(Wiley, 2015-03-01)We examine trends in the redistributive impact of the tax-benefit system in Australia between 1994 and 2009 using a framework that allows us to separate the contributions of taxes, benefits, and taxes and benefits combined. Furthermore, we identify the effect of tax-benefit policy reforms on income redistribution over the period. We find that after reaching a peak value in the late 1990s, the redistributive effect of taxes and benefits declined sharply. Although reforms to the tax-benefit system contributed to the decline in redistribution, their contribution was limited compared to the role played by the changes in market income distribution.
-
ItemUnderstanding Changes in the Distribution and Redistribution of Income: A Unifying Decomposition Framework(Wiley, 2016-06)In recent decades income inequality has increased in many developed countries but the role of tax and transfer reforms is often poorly understood. We propose a new method allowing for the decomposition of historical changes in income distribution and redistribution measures into: (i) the immediate effect of tax-transfer policy reforms in the absence of behavioral responses; (ii) the effect of labor supply responses induced by these reforms; and (iii) a third component allowing us to explore the effect of changes in the distribution of a wide range of determinants, including the effect of employment changes not induced by policy reforms. The application of the decomposition to Australia reveals that the direct effect of tax-transfer policy reforms accounts for half of the observed increase in income inequality between 1999 and 2008, while the increased dispersion of wages and capital incomes also played an important role.