Most large companies voluntarily disclose information about their corporate social responsibility (CSR) activities. We use experimental markets to examine how managers' disclosures of a particular type of CSR, green investment, affect investors' bidding behavior. We find that, although in our...

We use unsupervised machine learning techniques of natural language processing to measure the semantic relatedness of firms’ narrative risk disclosures (NRD) in the “risk factor” section of their annual reports. We find strong return predictability among firms with overlapping NRD. This...