Data
Replication Data
DATASETS I have used:
US firms' lobbying and campaign contributions
US federal government procurement contracts
Firm-level global supply chains
Maritime shipping transactions (Bill of Lading)
Shareholder proposals and mutual fund voting
Earnings call transcripts
US and Chinese patents
IRS Form 990
METHODS I have used most:
Difference-in-differences (DID)
Propensity score matching (PSM)
Event study
Textual analysis