Accessing Knowledge with a Game -- A Meta-analysis of Prediction Markets

Prediction markets illustrate a promising solution to aggregate distributed knowledge playfully. Prediction markets are speculative markets. They are created to aggregate knowledge, which is distributed among the participants in the prediction market. Prediction markets have also been labeled as game market, decision market or virtual stock. The purpose of this study is to summarize recent studies according to the categories basic functionality, design, real or play money, implementation, success factors, and fields of application.