This dissertation consists of three chapters. The first two chapters study strategic information transmission. The third chapter studies beliefs in perfect information games.\ud \ud The first chapter examines strategic information transmission with interacting decision-makers. I analyze a cheap-talk game between an informed agent and two uninformed decision-makers who coordinate their actions. I compare public communication with private communication. I find that the agent responds to the decision-makers' coordination by providing less precise information. Conditions that support a full information revelation equilibrium in private communication also support the same type of equilibrium in public communication; but the reverse is not true.\...