Absolute poverty is measured by determining the cost of a minimum standard of living, typically defined as the cost of essential goods and services required for basic survival.
Essentially, measuring absolute poverty involves establishing a poverty line based on a set basket of essential needs, most critically food. Here's a breakdown:
Understanding the Poverty Line
The absolute poverty line represents the minimum income required to purchase essential goods and services. This line acts as a benchmark: individuals or households with incomes below it are classified as living in absolute poverty.
Key Steps in Measurement:
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Define a Basket of Essential Goods and Services: This basket typically includes food, shelter, clothing, and sometimes other necessities like basic healthcare and education. The specific items and quantities included vary depending on the region and cultural context. Food, providing adequate caloric intake and nutritional value, is almost always central.
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Determine the Cost of the Basket: Researchers calculate the cost of purchasing the defined basket of goods and services at current market prices. This cost becomes the poverty line.
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Compare Income or Consumption with the Poverty Line: Household income or consumption expenditure is compared to the poverty line. If a household's income or consumption falls below the poverty line, that household is considered to be living in absolute poverty.
Distinctions and Terminology
- Extreme Poverty: Often used interchangeably with absolute poverty, or to denote situations where people are severely deprived of basic needs and struggling to survive. Those living below the "food poverty line" (i.e., only able to afford sufficient food to survive) are often considered to be in extreme poverty.
- Severe Poverty: Similar to extreme poverty, emphasizing the harsh conditions and lack of resources.
- Chronic Poverty: Indicates a persistent state of poverty lasting for an extended period (often years).
Example:
Imagine a region where a minimum food basket (grains, beans, vegetables) costs \$2.00 per day per person. This constitutes the absolute poverty line. If a family of four earns less than \$8.00 per day, they are considered to be living in absolute poverty.
Limitations:
While a valuable tool, measuring absolute poverty has limitations:
- Basket Definition: Defining the "essential" basket is subjective and can be debated.
- Price Fluctuations: Price changes, especially in volatile markets, can quickly render the poverty line inaccurate.
- Regional Differences: The cost of living varies significantly across regions, necessitating different poverty lines.
- Non-Monetary Factors: Poverty is multidimensional, and income alone doesn't capture other crucial aspects like access to healthcare, education, and social support.
Despite these limitations, the absolute poverty measure remains a critical tool for understanding and addressing the most basic forms of deprivation.