Economic Curves — Set 1
Economics · आर्थिक वक्र · Questions 1–10 of 50
Which curve shows the relationship between the tax rates and the total tax revenue collected by the government?
Correct Answer: D. Laffer Curve
The Laffer Curve illustrates that there is an optimal tax rate that maximizes total government revenue. It suggests that if tax rates are too high, total revenue may actually decrease due to discouraged work. This concept is central to supply-side economics.
The inverse relationship between the rate of unemployment and the rate of inflation in an economy is depicted by which curve?
Correct Answer: D. Phillips Curve
The Phillips Curve shows that as inflation increases, unemployment typically tends to decrease in the short run. It represents a trade-off that policymakers often face when managing an economy. However, this relationship can weaken during periods of stagflation.
Which curve is used to represent the degree of income inequality or wealth inequality in a population?
Correct Answer: B. Lorenz Curve
The Lorenz Curve maps the cumulative percentage of total income received against the cumulative percentage of recipients. A perfectly straight diagonal line represents perfect equality. The area between this line and the curve determines the Gini Coefficient.
The hypothesis that economic growth initially leads to greater inequality, which then decreases as the economy develops, is shown by the?
Correct Answer: B. Kuznets Curve
The Kuznets Curve is an inverted U-shaped relationship between per capita income and inequality. It suggests that inequality rises during the early stages of industrialization. As the economy matures, wealth redistribution typically lowers inequality levels.
Which curve shows the various combinations of two goods that provide the same level of satisfaction to a consumer?
Correct Answer: A. Indifference Curve
An Indifference Curve represents a consumer's preferences where every point on the curve yields equal utility. These curves are generally convex to the origin due to the diminishing marginal rate of substitution. They are used to analyze consumer equilibrium in microeconomics.
The 'J-Curve' effect in economics describes the impact of currency devaluation on which of the following?
Correct Answer: C. Trade Balance
The J-Curve suggests that after a currency devaluation, a country's trade balance initially worsens before improving. This happens because import prices rise immediately while export volumes take time to increase. Over time, the trade deficit shrinks and turns into a surplus.
Which curve relates the quantity of a commodity that a consumer is willing to purchase to their level of income?
Correct Answer: A. Engel Curve
The Engel Curve shows how household expenditure on a particular good changes as family income rises. For normal goods, the curve has a positive slope, while for inferior goods, it slopes downwards. It is named after the German statistician Ernst Engel.
A Production Possibility Curve (PPC) is typically concave to the origin because of?
Correct Answer: B. Increasing Opportunity Cost
The correct answer is 'Increasing Opportunity Cost'. The PPC shows the maximum output combinations of two goods an economy can produce. Its concave shape reflects that as more of one good is produced, the resources sacrificed increase. Points inside the curve indicate inefficient resource utilization.
Which curve identifies the relationship between environmental degradation and per capita income?
Correct Answer: C. Environmental Kuznets Curve
The Environmental Kuznets Curve (EKC) posits that pollution increases with initial economic growth. After reaching a certain income threshold, environmental quality begins to improve as society prioritizes sustainability. This follows the inverted U-shape pattern seen in original inequality studies.
What kind of slope does a typical individual Demand Curve have?
Correct Answer: A. Negative
The correct answer is 'Negative'. A standard Demand Curve slopes downwards from left to right, indicating an inverse relationship between price and quantity demanded. This is primarily due to the law of diminishing marginal utility. It shows that consumers buy more at lower prices.