Income Distribution and Welfare Flashcards
What is the difference between income and wealth?
Income refers to flows of wages and money from factors of production e.g. rent from land.
However wealth is referred to the accumulated stock of assets that a household owns e.g. owning a property or issuing bonds.
Why might reducing income inequality be an important macroeconomic policy objective?
High inequality may reduce economic growth and extreme poverty needs to be tackled to allow economic growth.
What are deciles used for?
Deciles are used as a measurement of income inequality when groups are divided into tenths.
What is the first docile?
The poorest 10%
What is the top decile?
The richest 10%
What is the top quantile?
The richest 20%
What is meant by the Ratio top Quantile: First quantile?
It shows by how much times the top quantile is richer than the bottom quantile
What is the Lorenz curve?
A graph that shows the distribution of income in a country.
It shows the percentage of cumulative household income that different percentages of the poorest households have e.g. in the UK the poorest 20% have 6% of the income/
What is on the X-axis of the Lorenz cure?
Cumulative Percentage of Households.
What is on the Y-axis of the Lorenz cure?
Cumulative percentage of total income
What is the Gini Index?
It measures the amount of income inequality in a society
How is the Gini Index measured?
It is the ratio of the area between the line of equality and a country’s Lorenz curve to the entire area under the equality line
What does it mean if a country were to have a Gini Index of 100?
It would mean that the country has extreme inequality
What are the measurement issues that are come across when measuring income inequality?
There are differing sizes of households so looking at income per household may be unreliable as one income level may be deemed low for a household of 6, but more than enough for 2.
Consumption instead of income, may be a better measurement of inequality
It is important to notice inequality in wealth distribution as well as income.
How are adjustments made to income distribution measurements in order to take into account the varying sizes of households?
Equivalence scales allow the income households to be judged relative to a reference household made up of a childless couple.
What is Original income?
Income from earnings, pensions and investment before taxes or benefits