Answer the questions that follow by using the information given in the table below:




Components of GDP
Amount (in PNGK)

Government expenditure
600

Gross private investment
500

Depreciation
10

Net exports
(50)

Personal consumption
2,500

Net income inflow from abroad
300

Net income outflow to foreign countries
320






Required:

ACalculate Gross Domestic Product (GDP). (5 marks)
BCalculate Net Domestic Product (NDP). (5 marks)
CCalculate Gross National Product (GNP). (5 marks)
DDifferentiate between real GDP and nominal GDP. (5 marks)

Verified Answer :

  • Calculate GDP using the expenditure approach: \(2,500 + 500 + 600 - 50 = \text{3,550 PNGK}\).
  • Calculate NDP by subtracting depreciation from GDP: \(3,550 - 10 = \text{3,540 PNGK}\).
  • Determine NFIA as \(-20\), then calculate GNP: \(3,550 - 20 = \text{3,530 PNGK}\).
  • Nominal GDP includes price changes, while Real GDP is adjusted for inflation to reflect true production output.
  • Final Answers: GDP = \(\boxed{\text{3,550 PNGK}}\), NDP = \(\boxed{\text{3,540 PNGK}}\), GNP = \(\boxed{\text{3,530 PNGK}}\).

Explanation

  1. Data and Problem Analysis

To analyze the economic data provided, we identify the components required for calculating key national income aggregates.

  • Government expenditure (G): 600
  • Gross private investment (I): 500
  • Depreciation: 10
  • Net exports (X-M): -50
  • Personal consumption (C): 2,500
  • Net income inflow from abroad: 300
  • Net income outflow to foreign countries: 320

We will use these figures to determine the Gross Domestic Product (GDP), Net Domestic Product (NDP), and Gross National Product (GNP).

  1. Calculating Gross Domestic Product (GDP)

The Gross Domestic Product (GDP) is calculated using the expenditure approach, which sums up all expenditures on final goods and services produced within the country's borders:
\[ \text{GDP} = C + I + G + (\text{Net Exports}) \]
Substituting the given values:
\[ \text{GDP} = 2,500 + 500 + 600 + (-50) \]
\[ \text{GDP} = 3,600 - 50 = 3,550 \]
Thus, the GDP is \(\text{3,550 PNGK}\).

  1. Calculating Net Domestic Product (NDP)

The Net Domestic Product (NDP) represents the net output of the economy after accounting for the depreciation of capital assets:
\[ \text{NDP} = \text{GDP} - \text{Depreciation} \]
Using the GDP calculated in the previous step:
\[ \text{NDP} = 3,550 - 10 = 3,540 \]
Thus, the NDP is \(\text{3,540 PNGK}\).

  1. Calculating Gross National Product (GNP)

The Gross National Product (GNP) measures the total value of goods and services produced by the citizens of a country, regardless of their location. We first find the Net Factor Income from Abroad (NFIA):
\[ \text{NFIA} = \text{Net income inflow} - \text{Net income outflow} \]
\[ \text{NFIA} = 300 - 320 = -20 \]
Now, calculate GNP:
\[ \text{GNP} = \text{GDP} + \text{NFIA} \]
\[ \text{GNP} = 3,550 + (-20) = 3,530 \]
Thus, the GNP is \(\text{3,530 PNGK}\).

  1. Difference Between Nominal and Real GDP

Nominal GDP measures economic output using current market prices of the period being measured, meaning it captures both changes in production volume and price fluctuations (inflation or deflation). Real GDP measures economic output by adjusting for price changes, using constant prices from a base year. Consequently, real GDP reflects only changes in the actual volume of production, providing a clearer view of economic growth over time without the distortion of price changes.

Examples

Understanding GDP calculations is essential for government policymakers when assessing the health of a nation's economy. For instance, if a country's GDP shows consistent growth over several years, it indicates that the economy is producing more goods and services, often leading to higher employment and living standards. By differentiating between real and nominal GDP, analysts can determine if that growth is due to genuine increased productivity or merely rising prices caused by inflation, allowing for more informed decisions regarding monetary and fiscal policies.