1.System requirements All regression are processed in Stata (MP17).

Stata for Windows

Windows 11/Windows 10

Windows Server 2022, 2019, 2016, 2012R2

Stata requires 64-bit Windows for x86-64 processors made by Intel or AMD (Core i3 equivalent or better).

Stata for Mac

Mac with Apple Silicon or Intel processors.

macOS 11.0 (Big Sur) or newer for Macs with Apple Silicon and macOS 10.13 (High Sierra) or newer for Macs with Intel processors.

2.Installation guide Download Stata 17MP from the official Stata website(https://www.stata.com/).

3.Demo You may find a complete example on how to use Stata at the following website:

https://www.stata.com/links/video-tutorials/)https://www.stata.com/links/video-tutorials/

4.Instruction for use First, please download and unzip the "data_code.zip" in your computer. Then, open the Stata and load the data using the following code.

There's no need to worry about the correspondence between the code and so many result tables, as we have marked the indicators and the tables they belong to in the code file “reg_code.do”.

Then you run the do file to get the results.