Before revision:  Our agents form opinions and invest , based on three sources of information, (i) public information, i.e. news, (ii) information from their "friendship" network , promoting imitation and (iii) private information.
After revision:  Our agents invest according to their opinion on future price movements, which is based on three sources of information, (i) public information, i.e. news, (ii) information from their "friendship" network , promoting imitation and (iii) private information.