AAERs from Bao et al. (2020)

A data set containing AAER firms-years used in Bao et al. (2020).

Usage

from era_pl import load_data

data = load_data("aaer_firm_year")

Use from era_py import load_data for a pandas dataframe.

Format

415 rows and 4 columns. Column types below describe the stored Parquet data; loaders also restore categories and date types using the packaged metadata.

Column	Stored type	Description
p_aaer	string	AAER identifier
gvkey	string	GVKEY (firm identifier)
min_year	int32	First affected year
max_year	int32	Last affected year

Source

https://doi.org/10.1111/1475-679X.12292

Related R documentation.