Crowd-sourced recommender platforms organize social learning about products by recommending items based on information … on 1) the substitutability between platforms 2) consumer knowledge about their place in time 3) initial information held … study how market structure affects experimentation, social learning, and welfare. I present a model of competing platforms …

divergence scenario, with incumbent knowledge investments helping them to learn from entrants, but these learning benefits being …, but their investments to do so cause entrants to retreat, resulting in diminishing returns to learning investments by …

Self-interested agents produce information in an attempt to convince a principal to act on their behalf. Agents provide …

online review mechanism drives the spread of information in a competitive market and to provide conditions under which …

becomes convoluted with information and payoff spillovers. The threat of competition pushes firms to enter earlier to preempt … their rivals while the possibility of learning make them cautiously wait for others to take action. This combination amounts …

We address the issue of risk aversion in a competitive equilibrium when some buyers engage in learning and information … is conveyed through the price system. Specifically, since the learning process yields uncertainty, we study the effect of … risk aversion on the equilibrium outcomes of the model, including the amount of information released by the market. We show …

endogenously influence whether learning occurs through its policy choices (policy experimentation), future political competition …