The Harvard MBA indicator generates long-term market signals based on the proportion of new Harvard MBA graduates who take jobs in the securities markets.
Hashed Time Lock Contract (HTLC) reduces counterparty risk in decentralized smart contracts by effectively creating a time-based escrow that uses a cryptographic passphrase.
The Hawthorne effect is when the subjects of an experimental study try to change or improve their behavior simply because it is being evaluated or studied.