structural break

简明释义

结构间断

英英释义

例句

1.Researchers found a structural break 结构性断裂 in the time series data indicating a shift in consumer behavior.

研究人员发现时间序列数据中存在结构性断裂，表明消费行为发生了变化。

2.The economic model showed a significant structural break 结构性断裂 after the financial crisis of 2008.

经济模型在2008年金融危机后显示出显著的结构性断裂。

3.In the context of climate change, the study identified a structural break 结构性断裂 in temperature trends over the last century.

在气候变化的背景下，研究发现过去一个世纪的温度趋势中存在结构性断裂。

4.The company experienced a structural break 结构性断裂 in its sales patterns following the introduction of a new product line.

公司在推出新产品线后，其销售模式经历了结构性断裂。

5.The analysis revealed a structural break 结构性断裂 that altered the relationship between inflation and unemployment.

分析揭示了一个结构性断裂，改变了通货膨胀与失业之间的关系。

作文

In the field of economics, understanding various concepts is crucial for analyzing market behaviors and trends. One such important concept is the structural break, which refers to a significant change in the relationship between variables in a time series data set. This change can occur due to various factors such as economic policy shifts, technological advancements, or unexpected global events. Identifying a structural break is essential for economists and analysts because it can alter how we interpret historical data and make future predictions.For instance, consider the impact of the 2008 financial crisis on global economies. Prior to this event, many countries experienced steady growth and low unemployment rates. However, the crisis led to a structural break in the economic landscape, resulting in increased unemployment and prolonged recessions in several regions. Analysts who failed to recognize this structural break might have continued to use outdated models that no longer accurately represented the economic reality. As a result, their forecasts could be significantly off, leading to poor decision-making for businesses and policymakers alike.Moreover, the identification of a structural break can help in adjusting economic models to better fit new data. For example, if a country introduces a major tax reform, it may lead to changes in consumer behavior and investment patterns. Recognizing this structural break allows economists to update their models accordingly, ensuring that they reflect the current state of the economy. This adaptability is vital for effective economic planning and policy formulation.In addition to economics, the concept of structural break is widely applicable in other fields such as finance, sociology, and environmental studies. In finance, a structural break might indicate a shift in the relationship between asset prices and economic indicators, prompting investors to reassess their strategies. Similarly, in sociology, a structural break could signify a transformation in social norms or behaviors due to significant cultural shifts.To detect a structural break, researchers often employ statistical tests such as the Chow test or the Bai-Perron test. These tests help identify points in time where the relationship between variables changes significantly. Once a structural break is identified, further analysis can be conducted to understand the underlying causes and implications of this change.In conclusion, the concept of structural break is integral to understanding changes in relationships within time series data. Its significance spans across various disciplines, highlighting the need for analysts and researchers to remain vigilant for signs of such breaks in order to adapt their models and strategies accordingly. By recognizing and analyzing structural breaks, we can enhance our comprehension of complex systems and make more informed decisions based on accurate data interpretations.

在经济学领域，理解各种概念对于分析市场行为和趋势至关重要。其中一个重要概念是结构性断裂，它指的是时间序列数据集中变量之间关系的重大变化。这种变化可能由于多种因素引起，例如经济政策的变化、技术进步或意外的全球事件。识别结构性断裂对于经济学家和分析师来说至关重要，因为它可以改变我们对历史数据的解释以及未来预测的制定。例如，考虑2008年金融危机对全球经济的影响。在这一事件发生之前，许多国家经历了稳定的增长和低失业率。然而，这场危机导致了经济格局的结构性断裂，在多个地区造成了失业率上升和长期衰退。未能认识到这一结构性断裂的分析师可能会继续使用过时的模型，而这些模型不再准确地代表经济现实。因此，他们的预测可能会大大偏离，导致企业和决策者做出错误的决策。此外，识别结构性断裂可以帮助调整经济模型，以更好地适应新数据。例如，如果一个国家引入了重大税制改革，这可能会导致消费者行为和投资模式的变化。识别这一结构性断裂使经济学家能够相应地更新他们的模型，确保这些模型反映经济的当前状态。这种适应能力对于有效的经济规划和政策制定至关重要。除了经济学，结构性断裂的概念在金融学、社会学和环境研究等其他领域也广泛适用。在金融领域，结构性断裂可能表明资产价格与经济指标之间关系的转变，促使投资者重新评估他们的策略。同样，在社会学中，结构性断裂可能意味着由于重大文化转变而导致的社会规范或行为的变化。为了检测结构性断裂，研究人员通常采用统计测试，如Chow检验或Bai-Perron检验。这些测试有助于识别时间序列中关系显著变化的时点。一旦识别出结构性断裂，就可以进一步分析以了解这种变化的潜在原因和影响。总之，结构性断裂的概念对理解时间序列数据中关系的变化至关重要。其重要性跨越多个学科，突显了分析师和研究人员需要保持警惕，以识别此类断裂的迹象，从而相应地调整他们的模型和策略。通过识别和分析结构性断裂，我们可以增强对复杂系统的理解，并根据准确的数据解释做出更明智的决策。