Correct Option: D. Reducing Aggregate Demand Explanation of Why the Answer is Correct: Inflation occurs when the general price level of goods and services rises, leading to a decrease in the purchasing power of money. One of the primary causes of inflation is an increase in aggregate demand, which is the total demand for goods and services within an economy at a given overall price level and in a given time period. When aggregate demand exceeds aggregate supply, prices tend to rise. Therefore, to curb inflation, one effective strategy is to reduce aggregate demand. This can be achieved through various means, such as:

1. Increasing Interest Rates: Higher interest rates make borrowing more expensive and saving more attractive, which can reduce consumer spending and business investment.
2. Reducing Government Spending: If the government cuts back on its expenditures, this can lead to a decrease in overall demand in the economy.
3. Increasing Taxes: Higher taxes can reduce disposable income for consumers, leading to lower consumption and investment.

By implementing these measures, the overall demand in the economy decreases, which can help stabilize or lower prices, thereby curbing inflation. Explanation of Why the Other Options Are Wrong or Weaker: A. Increasing Aggregate Demand - Increasing aggregate demand would likely exacerbate inflation rather than curb it. When demand increases without a corresponding increase in supply, prices will rise further. This option is counterproductive in the context of controlling inflation. B. Paying Higher Wages - While higher wages can increase the purchasing power of workers, they can also lead to higher costs for businesses. If businesses pass these costs onto consumers, it can result in higher prices, contributing to inflation rather than reducing it. This option does not address the root cause of inflation effectively. C. Increasing Government Expenditure - Similar to option A, increasing government expenditure can lead to higher aggregate demand. If the government spends more, it can stimulate the economy, but this can also lead to increased inflation if the economy is already operating near its capacity. Thus, this option is also counterproductive in the context of curbing inflation. Summary of Key Points:

• Inflation is caused by an increase in aggregate demand exceeding aggregate supply.
• Reducing aggregate demand can effectively curb inflation by lowering overall spending in the economy.
• Increasing interest rates, reducing government spending, and increasing taxes are methods to reduce aggregate demand.
• Options A, B, and C would likely worsen inflation rather than alleviate it.

This understanding of inflation and aggregate demand is crucial for effectively managing economic policy and ensuring price stability in an economy.