We deal with the problem faced by a portfolio manager in charge of multiple accounts. We argue that because of market impact costs, this setting differs in several subtle ways from the classical (single account) case, with the key distinction being that the performance of each individual account typically depends on the trading strategies of other accounts, as well. We propose a novel, tractabl...

Conventional accounts of the McCollough Effect (ME) have focused on strictly bottom-up processing accounts of the phenomenon, most commonly involving the fatiguing of orientation-selective neurons; although association-learning mechanisms have also gained acceptance. These lower order accounts do not take into account higher order variables related to key personality traits and/or associated co...

This work was undertaken as part of the project Advancing the SEEA Experimental Ecosystem Accounting. This note is part of a series of technical notes, developed as an input to the SEEA Experimental Ecosystem Accounting Technical Guidance. The project is led by the United Nations Statistics Division in collaboration with United Nations Environment Programme through its The Economics of Ecosyste...

Multiple-system accounts of category learning are now entrenched in the cognitive neuroscience literature. This entrenchment sometimes seems impervious to behavioural evidence that contradicts or questions key assumptions of multiple-systems accounts. In this brief article, I consider relevant sources of evidence (behavioural, neuropsychological, neuro-imaging) and argue that the evidence from ...

We discuss the modelling of corporate bank accounts using a proprietary dataset. thus offer principled treatment genuine industrial problem. The in our study constitute spare, irregularly-spaced time series that may take both positive and negative values. builds on previous models where underlying is real-valued. describe an intra-monthly effect identified by practitioners whereby account uncer...