投资经济管理，英文表达为 "investment economics and management"。

投资经济管理是一门研究如何运用经济学的原理和方法来进行投资的学科。它结合了投资理论、财务管理、市场分析、风险管理等多个领域的知识，帮助人们分析并决策如何有效地配置资金以获得最大收益。

一些英文例句及其中文翻译如下：

The course covers the basics of investment economics and management, including portfopo theory, capital market analysis, and risk management. (这门课程涵盖了投资经济管理的基础知识，包括投资组合理论、资本市场分析和风险管理。)

I have a degree in investment economics and management, and I have worked as a financial analyst for several years. (我拥有投资经济管理的学位，并且曾作为金融分析师工作多年。)

In the field of investment economics and management, it is important to have a good understanding of market trends and risk factors. (在投资经济管理领域，了解市场趋势和风险因素很重要。)

Investment economics and management involves making informed decisions about how to allocate capital in order to maximize returns. (投资经济管理涉及如何做出明智的决策，以最大化回报配置资金。)