The ________ hypothesis suggests that errors in forecasting future inflation rates are due to random, unpredictable events.

In a two-person repeated game, a tit-for-tat strategy refers to

a. Where each player pursues his or her own self-interest without any cooperation b. Where players start off as non-cooperative and then cooperate when one or both players show interest in colluding c. Where players start off by cooperating and then mimic the other player's last move d. Players cooperating throughout with no defection

Credibility in threats and commitments in sequential games is based on

a. randomizing one's actions so they are unpredictable b. explicit communications with competitors c. effective scenario planning d. analyzing best reply responses e. none of the above