答案1
起点:
\documentclass{article}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
Finally, the intertemporal wedge has the component
\begin{equation}
C_t = R_t \left(1 - \mathbb{E}_t
\left[ \frac{U_{c_t}}{R_t U_{c_{t+1}}} \right]
\right).
\end{equation}
This term is a residual that picks up all reasons for distorting the savings
\dots
\end{document}
答案2
您喜欢 Times New Roman 吗?
\usepackage{mathptmx}
应该可以解决问题。否则,正如上面有人指出的那样,您可以查看您喜欢的文档并查看它使用的字体。
(根据以下评论进行编辑,谢谢)