

Warning: Before using this dataset, the user must get the subscription of Compustat and CRSP. This dataset is just for the replication purpose.  


Simple data definition

fyear: fiscal year
state: state of location
sic4: SIC 4 digit
log_age: log(age)
log_size: log(total assets)
roa: return on assets
sale_sale: total sales / total assets
sga_sale: SGA expense / total sales
cogs_sale: COGS / total sales 
gvkey1: gvkey numeric
cus_corp: dummy if a firm has principal customer
pct_corp: percentage sales purchased by principal customer
durability: dummy for durable good industry
high_rd: dummy for high R&D industry
fis_incorp: first state of incorporation when getting into the sample
after_bc_law_fis: after BC law dummy according to the first state of incorporation when getting into the sample
num_corpcus_p10: number of corporate customers (>10% total sales)
pct_corp_p10: percentage sales purchased by principal customer (>10% total sales) 


Relationship level dataset is not included in this disclosure. A detailed description of how to obtain relationship dataset is provided in the paper. 
