Expected Value

Expected Value的音标为[ɪkˈspektɪd] [vælɪtɪ]，基本翻译为“预期价值”或“期望值”。速记技巧为使用谐音“爱克斯替围巾”，意为“爱克斯射线围巾”。

Expected Value的英文词源可以追溯到拉丁语“exspectare”，意为“期待”或“预期”。其变化形式包括“expectation”、“expected”等。

相关单词：

1. “expect” - 意为“期待”或“预期”，是expected的基础形式。

2. “expectancy” - 意为“期待”或“预期”，是expected的名词形式。

3. “expectationism” - 意为“预期主义”，是一种经济学理论，强调预期对市场的影响。

4. “expectationless” - 意为“无期待”或“无预期”，常用于描述某种情况或状态。

5. “expectationally” - 意为“预期地”，是expected的副词形式。

Expected Value在经济学中是一个重要的概念，它描述的是一种情况或事件的所有可能结果及其概率加权平均值。这个概念在决策论中具有重要地位，因为它可以帮助我们做出更明智的决策，考虑所有可能的结果和它们的可能性。

常用短语：

1. expected value of a variable

2. expected average

3. expected yield

4. expected return

5. expected value calculation

6. expected value of a portfolio

7. expected value of future cash flows

双语例句：

1. The expected value of a stock"s price is the expected average of its future cash flows.

股票的预期价值是其未来现金流的预期平均值。

2. The expected value of investment returns is crucial for financial planning.

投资预期收益的预期值对于财务规划至关重要。

3. The expected value of future cash flows is a key factor in determining the value of a company.

未来现金流的预期值是确定公司价值的关键因素。

4. The expected value of a portfolio is the weighted average of its individual investments.

投资组合的预期值是其个别投资的加权平均值。

5. The expected value of gambling is the probability of winning multiplied by the amount of money at stake.

赌博的预期值是赢的概率乘以赌注金额。

英文小作文：

The importance of Expected Value in Financial Planning

Financial planning is essential for every individual and business, and one of the key factors to consider is the expected value. The expected value refers to the probable outcome of an investment or a financial decision, taking into account all possible outcomes and their probabilities. In other words, it helps us determine the most likely return on our investment or the most likely outcome of a financial strategy. For example, if we invest in a stock, we need to consider its expected price movement, which is determined by its expected returns and risks. Similarly, in investing in a portfolio, we need to consider the expected returns and risks of each asset class, and then calculate the expected value of the entire portfolio. Therefore, it is crucial to understand and use the concept of expected value in financial planning to ensure that we make informed decisions and achieve our financial goals.