Final answer:
Managers who manage earnings to convey their inside information about firms' prospects are engaging in Signaling.
Step-by-step explanation:
Managers who manage earnings to convey their inside information about firms' prospects are engaging in Signaling. Signaling is a behavior where managers manipulate the company's financial results to send signals to the market about the company's future prospects. By managing earnings, the managers are trying to communicate positive information to attract investors.