index number with changed weights

简明释义

可变权数指数

英英释义

例句

1.To improve accuracy, the government updated the index number with changed weights for the new year.

为了提高准确性，政府更新了新一年的调整权重的指数数值。

2.Using an index number with changed weights can provide a more accurate measure of inflation.

使用调整权重的指数数值可以提供更准确的通货膨胀测量。

3.Researchers often use an index number with changed weights to analyze shifts in market trends.

研究人员通常使用调整权重的指数数值来分析市场趋势的变化。

4.The report analyzed the index number with changed weights to better reflect the current economic conditions.

该报告分析了调整权重的指数数值以更好地反映当前的经济状况。

5.The index number with changed weights showed a significant increase in consumer spending this quarter.

这个调整权重的指数数值显示出本季度消费者支出显著增加。

作文

In the realm of economics and statistics, the concept of an index number with changed weights plays a crucial role in measuring variations in data over time. An index number is a statistical measure that represents the relative change in a variable or a group of variables. When we talk about weights, we refer to the importance or significance assigned to each item in the index. Therefore, an index number with changed weights signifies that the importance of different components has been adjusted, which can lead to a more accurate reflection of economic reality.To understand this better, let’s consider the Consumer Price Index (CPI), which is used to gauge inflation. The CPI consists of various goods and services, each contributing differently to the overall index based on their consumption patterns. Initially, the weights assigned to these items are determined by consumer spending habits. However, as these habits evolve over time due to changes in lifestyle, technology, or economic conditions, it becomes essential to update the weights accordingly. This adjustment results in an index number with changed weights, providing a clearer picture of how prices are changing relative to the actual consumption patterns of the population.For instance, if consumers start spending more on digital services rather than traditional goods, the weight of digital services in the CPI should be increased to reflect this shift. Failing to do so could lead to misleading conclusions about inflation rates. An index number with changed weights thus ensures that the index remains relevant and accurately portrays the economic environment.Moreover, the process of recalibrating weights is not merely a technical adjustment; it also involves understanding the underlying economic trends. Economists and statisticians must analyze large datasets to identify shifts in consumer behavior and adjust the weights accordingly. This requires a comprehensive approach that includes surveys, market research, and analysis of economic indicators.The implications of using an index number with changed weights extend beyond just measurement. Policymakers rely on accurate index numbers to make informed decisions regarding monetary policy, taxation, and social welfare programs. For instance, if the inflation rate is underestimated due to outdated weights, it could lead to inappropriate interest rate adjustments by central banks, ultimately affecting the economy's stability.In conclusion, the significance of an index number with changed weights cannot be overstated. It serves as a vital tool for economists, policymakers, and businesses alike, allowing them to navigate the complexities of economic data. By continually updating the weights based on current consumption patterns, we ensure that our economic indicators remain relevant and reflective of the real world. As we move forward in an ever-changing economic landscape, the adaptability of index numbers will be key to understanding and responding to the challenges we face.

在经济学和统计学领域，权重变化的指数数值这一概念在衡量数据随时间变化方面起着至关重要的作用。指数数值是一个统计测量，表示变量或一组变量的相对变化。当我们谈论权重时，我们指的是分配给指数中每个项目的重要性或显著性。因此，权重变化的指数数值意味着不同组成部分的重要性已经调整，这可能导致对经济现实的更准确反映。为了更好地理解这一点，让我们考虑消费者价格指数（CPI），它用于衡量通货膨胀。CPI由各种商品和服务组成，每个项目根据其消费模式对整体指数的贡献不同。最初，分配给这些项目的权重是根据消费者的消费习惯确定的。然而，随着生活方式、技术或经济条件的变化，这些习惯会随着时间而演变，因此根据需要更新权重变得至关重要。这种调整导致了一个权重变化的指数数值，提供了价格如何相对于实际消费模式变化的更清晰的图景。例如，如果消费者开始更多地花费在数字服务上而不是传统商品上，那么CPI中数字服务的权重应该增加，以反映这种转变。如果不这样做，可能会导致对通货膨胀率的误导性结论。因此，权重变化的指数数值确保了该指数保持相关性并准确描绘经济环境。此外，重新校准权重的过程不仅仅是技术上的调整；它还涉及对潜在经济趋势的理解。经济学家和统计学家必须分析大量数据集，以识别消费者行为的变化，并相应地调整权重。这需要一种全面的方法，包括调查、市场研究和经济指标分析。使用权重变化的指数数值的影响不仅限于测量。政策制定者依赖准确的指数数值来做出有关货币政策、税收和社会福利计划的明智决策。例如，如果由于过时的权重而低估了通货膨胀率，这可能导致中央银行不适当的利率调整，最终影响经济的稳定性。总之，权重变化的指数数值的重要性不容小觑。它是经济学家、政策制定者和企业等各方的重要工具，使他们能够驾驭经济数据的复杂性。通过根据当前消费模式不断更新权重，我们确保我们的经济指标保持相关性并反映现实世界。随着我们在不断变化的经济格局中前行，指数数值的适应性将是理解和应对我们面临的挑战的关键。