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Question

Which one of the following equals Personal Disposable Income ?

This question was previously asked in
CDS I 2019 Elementary Mathematics Previous Year Paper (03-Feb-2019)
The correct answer is

Personal Income - Direct taxes paid by households and miscellaneous fees, fines, etc.

Understanding Personal Disposable Income Calculation

Personal Disposable Income (PDI) represents the amount of money that households have available to spend or save after all taxes and other mandatory payments have been deducted from their total personal income. It's a crucial measure of the actual income available at the household level for consumption.

Defining Personal Disposable Income

Think of Personal Disposable Income as the money left in your pocket after the government and other mandatory deductions have taken their share. It's the income you can freely decide how to use – whether for buying goods and services (consumption) or putting it aside for the future (saving).

Key Components of PDI Calculation

To determine the Personal Disposable Income, we start with the Personal Income and subtract specific deductions:

  • Personal Income: This includes all income received by individuals, such as wages, salaries, profits, rents, interest, and dividends.
  • Direct Taxes: These are taxes levied directly on the income of individuals and households. The most common example is income tax.
  • Miscellaneous Fees, Fines, and Other Current Transfers: This category includes payments made by households that are not taxes but reduce their disposable income, such as certain fees or fines.

The Formula for Personal Disposable Income

The relationship can be expressed using the following formula:

\[ \text{Personal Disposable Income} = \text{Personal Income} - (\text{Direct Taxes Paid by Households} + \text{Miscellaneous Fees, Fines, etc.}) \]

Analysis of Provided Options

Let's examine each option in relation to the definition of Personal Disposable Income:

  • Option 1: Personal Income - Direct taxes paid by households and miscellaneous fees, fines, etc.

    This option accurately reflects the definition. It starts with Personal Income and subtracts the direct taxes and other mandatory non-tax payments that households must make, leaving the disposable amount.

  • Option 2: Private Income - Saving of Private Corporate Sectors - Corporation Tax

    This calculation relates to Private Income, which is different from Personal Income. It focuses on the income generated by the private sector (households and private corporations) but doesn't directly yield the income available to *personal* households after their specific deductions.

  • Option 3: Private Income - Taxes

    This is too general. It doesn't specify whether it's Private Income or Personal Income, nor does it clarify which taxes are being subtracted. It doesn't specifically represent Personal Disposable Income.

  • Option 4: Total expenditure of Households - Income Tax - Gifts received

    This option is incorrect. Personal Disposable Income is calculated from income, not expenditure. Subtracting gifts received is also incorrect, as gifts are typically considered income.

  • Option 5:

    This option is empty and therefore cannot be evaluated.

Conclusion on Personal Disposable Income

Based on the standard economic definition, the correct way to calculate Personal Disposable Income is by taking the Personal Income and subtracting all direct taxes and other mandatory non-tax payments made by households. Option 1 provides this exact calculation.

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