This study examines the dynamic linkage between stock indices (e.g., composite and sectoral indices on the Jakarta Stock Exchange) and Rupiah's exchange rate at three different periods. Granger causality testing technique is used, based on VAR model if data have no cointegration relationship and...

The paper discusses the utilization of social complexity studies to enhance our understanding on many social phenomena. The discussions brings the concept of uncertainty in almost everything of social realms and makes some points related to the empirical findings of the power-law distributions...

Classical multivariate principal component analysis has been extended to functional data and termed functional principal componentanalysis (FPCA). Most existing FPCA approaches do not accommodate covariate information, and it is the goal of this paper to develop two methods that do. In the ?rst...