Explanation

• In production theory, the short run is a period during which at least one resource is fixed.
• This means that there are constraints on adjusting all inputs to production.
• For example, in the short run, a firm may not be able to change its capital equipment or the size of its factory.
• However, it can adjust variable inputs such as labor.

Explanation

• In monopolistic competition, product differentiation refers to offering products that are similar but not identical.
• This means that firms produce goods or services that are slightly different from those of their competitors, allowing them to distinguish their products in the market.
• Product differentiation can take various forms such as branding, quality, design, or customer service.

Explanation

• Inferior goods are the goods which have negative income elasticity.
• This means that as income increases, the quantity demanded for inferior goods decreases.

Explanation

If the household consumes along the budget constraint where MUx/Px > MUy/Py then assuming normal preferences, we are sure that the household could increase its total utility by consuming more of X and less of Y.

Explanation

• The period of the business cycle in which real GDP is increasing is called the "Expansion" phase.
• During an expansion, economic activity is growing, employment is typically rising, and overall economic indicators are improving.
• This phase is often characterized by increasing consumer spending, business investment, and confidence in the economy.

Explanation

• The term "crowding out" refers to the decrease in private investment that occurs when government borrowing increases.
• When the government borrows more money from the financial markets to finance its spending, it increases the demand for loanable funds, leading to higher interest rates.
• Higher interest rates make borrowing more expensive for businesses and individuals, reducing their willingness to invest and borrow for private investment projects.
• This phenomenon is known as "crowding out" because government borrowing "crowds out" private investment by competing for available funds in the financial markets.
  

Explanation

• The difference between Gross Value Added (GVA) and Net Value Added (NVA) is depreciation.
• Gross Value Added (GVA) represents the total value generated by a firm, industry, or sector, minus the value of intermediate goods used in production. It is essentially the value of output minus the value of intermediate goods.
• Net Value Added (NVA) is Gross Value Added minus depreciation. Depreciation accounts for the wear and tear of capital goods used in production, which reduces their value over time. So, NVA provides a measure of the net contribution to the economy after accounting for depreciation.

Explanation

• The term "lender of last resort" refers to a central bank providing loans to commercial banks during times of financial crisis.
• This action helps stabilize the financial system by providing liquidity to banks facing liquidity shortages, thereby preventing widespread bank failures and systemic collapse.

Explanation

• A purely competitive firm will produce where Price (P) equals Marginal Cost (MC) because this action maximizes profits.
• At this point, the firm achieves the highest level of profit by producing the quantity where the marginal cost of production equals the price it receives for its output.
• This maximizes the difference between total revenue and total cost, which is the definition of profit maximization in economics.

Explanation

• A profit-maximizing firm will hire more labor up to the point where the marginal revenue product (MRP) of labor equals the marginal factor cost (MFC) of labor, which is the wage rate. This is known as the point of equilibrium in the labor market.
• The MRP of labor is the additional revenue generated by the last unit of labor hired, and the MFC is the additional cost of hiring that unit of labor. When MRP = MFC, the firm has maximized its profits.