Classical Decomposition of Markowitz Portfolio Selection Staff Working Paper 2020-21 Christopher Demone, Olivia Di Matteo, Barbara Collignon In this study, we enhance Markowitz portfolio selection with graph theory for the analysis of two portfolios composed of either EU or US assets. Using a threshold-based decomposition of their respective covariance matrices, we perturb the level of risk in each portfolio and build the corresponding sets of graphs. Content Type(s): Staff research, Staff working papers Research Topic(s): Central bank research JEL Code(s): C, C0, C02
Trading on Long-term Information Staff Working Paper 2020-20 Corey Garriott, Ryan Riordan Investors who trade based on good research are said to be the backbone of stock markets: They conduct research to discover the value of stocks and, through their trading, guide financial prices to reflect true value. What can make their job difficult is that high-speed, short-term traders could use machine learning and other technologies to infer when informed investors are trading. Content Type(s): Staff research, Staff working papers Research Topic(s): Financial institutions, Financial markets, Market structure and pricing JEL Code(s): G, G1, G14, G2, G20, L, L1
The Market for Acquiring Card Payments from Small and Medium-Sized Canadian Merchants Staff Discussion Paper 2020-5 Angelika Welte, Jozsef Molnar This note uses industry data and a unique dataset of small and medium-sized merchants to provide insights into the acquirer-merchant market in Canada. Content Type(s): Staff research, Staff discussion papers Research Topic(s): Financial services, Market structure and pricing, Payment clearing and settlement systems JEL Code(s): C, C2, D, D2, E, E4, E42
The Term Structures of Loss and Gain Uncertainty Staff Working Paper 2020-19 Bruno Feunou, Ricardo Lopez Aliouchkin, Roméo Tedongap, Lai Xu We investigate the uncertainty around stock returns at different investment horizons. Since a return is either a loss or a gain, we categorize return uncertainty into two components—loss uncertainty and gain uncertainty. We then use these components to evaluate investment. Content Type(s): Staff research, Staff working papers Research Topic(s): Asset pricing, Econometric and statistical methods JEL Code(s): G, G1, G12