Explanation

• Barriers to entry restrict new firms from entering a market.
• Patents are government-granted rights to protect inventions.
• Public franchises are government licenses to operate a service.
• Both are created through laws and regulations.
• Hence, both are legal barriers to entry.

Last verified on 22-04-2026

Explanation

• A binary variable takes only two values (e.g., 0 or 1).
• It represents categories like yes/no or true/false.
• It is widely used in regression and data analysis.
• It helps to include qualitative factors in models.
• It is commonly called a dummy variable.

Last verified on 22-04-2026

Explanation

• In consumer theory, a person maximizes satisfaction (utility) from income.
• Utility is maximized when spending is optimally distributed.
• The key rule compares marginal utility per dollar across goods.
• Consumers adjust spending until no further gain is possible.
• This happens when marginal utility per dollar is equal for all goods.

Last verified on 22-04-2026

Explanation

• In economics, some terms are equivalent (same meaning).
• Nominal GDP = GDP at current prices.
• Real GDP = GDP at constant prices.
• Base period = Reference period (used for comparison).
• But changes in real GDP ≠ GDP deflator (different concepts).

Last verified on 22-04-2026

Explanation

• Economic growth means an increase in a country’s production (GDP).
• It can be improved by better resources and efficiency.
• Factors like technology, education, and energy sources support growth.
• However, growth does not remove scarcity completely.

Last verified on 22-04-2026

Explanation

• The demand for labour is a derived demand based on production needs.
• Firms hire more workers when wages are lower.
• As wages increase, firms demand less labour.
• This shows an inverse relationship between wage and labour demand.
• Therefore, the demand curve slopes downward.

Last verified on 22-04-2026

Explanation

• In economics, inputs are factors used in production.
• A fixed input cannot be changed in the short run.
• Examples include land, machinery, and buildings.
• Firms cannot increase or decrease its quantity quickly.
• Therefore, its quantity remains fixed in the short run.

Last verified on 22-04-2026

Explanation

• Conceited means مغرور
• Bossy means دبنگ اور حد سے زیادہ اعتماد
• Impudent means غیر منقولہ

Explanation

Explanation

• Virtue means فضیلت
• Goodness means فضیلت

Last verified on 16-01-2026