What is the sequence of improvement in the concept of economic development ?
(A) Income
(B) Per Capita Income
(C) PQLI
(D) HDI
Which sequence is correct ?

Question

What is the sequence of improvement in the concept of economic development ?
(A) Income
(B) Per Capita Income
(C) PQLI
(D) HDI 
Which sequence is correct ?

Accepted Answer

Option 1, which presents the sequence as A, B, C, D (Income, Per Capita Income, PQLI, HDI), is the correct answer for the sequence of improvement in the concept of economic development. Here's a detailed explanation supporting this sequence:

1. **Income (A):** The concept of economic development initially focused on the total income of a nation. This was a straightforward measure, reflecting the overall economic activity and output of a country. However, it did not account for population size or distribution of income among the population.

2. **Per Capita Income (B):** As the understanding of economic development evolved, the focus shifted to Per Capita Income. This measure provided a more refined view by considering the average income per person, thus offering insights into the standard of living and economic well-being of individuals within a country. It addressed the limitation of total income by factoring in population size.

3. **PQLI (Physical Quality of Life Index) (C):** Recognizing that income alone did not capture the quality of life, the PQLI was introduced. This index included indicators such as literacy rates, infant mortality, and life expectancy, providing a broader perspective on human well-being and social progress beyond mere economic metrics.

4. **HDI (Human Development Index) (D):** The HDI further advanced the concept of economic development by combining income with health and education indicators. It offered a comprehensive measure of human development, emphasizing that economic growth should lead to improvements in people's lives, not just increases in income.

**Why Other Options Are Incorrect:**

- **Option 2 (A, C, B, D):** This sequence incorrectly places PQLI before Per Capita Income. Historically, the focus on income and then per capita income preceded the development of indices like PQLI, which incorporated broader quality of life measures.

- **Option 3 (A, D, B, C):** This sequence incorrectly places HDI before Per Capita Income and PQLI. The HDI was developed later as a more comprehensive measure, building on the insights gained from earlier concepts like per capita income and PQLI.

- **Option 4 (A, B, D, C):** This sequence incorrectly places HDI before PQLI. The PQLI was an earlier attempt to measure quality of life, which was later refined and expanded into the HDI.

In conclusion, Option 1 accurately reflects the historical progression and improvement in the concept of economic development, moving from a focus on income to more comprehensive measures that include quality of life and human development.