Forsythe, Robert; Nelson, Forrest; Neumann, George R.; … - In: American Economic Review 82 (1992) 5, pp. 1142-61
Results from the Iowa Political Stock Market are analyzed to ascertain how well markets work as aggregators of information. The authors find that the market worked extremely well, dominating opinion polls in forecasting the outcome of the 1988 presidential election, even though traders in the...