Ormerod, Paul - In: Economics: The Open-Access, Open-Assessment E-Journal 2 (2008) 2008-26, pp. 1-10
The aim of this paper is to show that random matrix theory (RMT) can be a useful addition to the economist?s tool-kit in the analysis of macro-economic time series data. A great deal of applied economic work relies upon empirical estimates of the correlation matrix. However due to the finite...