Results 21 to 30 of about 145 (95)

Evaluation of Test Statistics for Detection of Outliers and Shifts [PDF]

open access: yes, 2020
Existence of outliers and structural breaks having mutually unknown nature, in time series data, offer challenges to data analysts in model identification, estimation and validation.
Urooj, Amena   +3 more
core   +1 more source

Volatility filtering in estimation of kurtosis (and variance)

open access: yesDependence Modeling, 2019
The kurtosis of the distribution of financial returns characterized by high volatility persistence and thick tails is notoriously difficult to estimate precisely.
Anatolyev Stanislav
doaj   +1 more source

ELECTRIC ENERGY PRICE FORECASTING: DESCRIPTIVE ANALYSIS AND FEATURES SELECTION

open access: yes, 2018
The present paper is focused on the analysis of electricity market, after its recent liberalization. In particular we provide a detailed analysis of the latter exploiting descriptive analysis and the feature selection approach for a multivariate time ...
M. T. Grifa
semanticscholar   +1 more source

Prediction of time series by statistical learning: general losses and fast rates

open access: yesDependence Modeling, 2013
We establish rates of convergences in statistical learning for time series forecasting. Using the PAC-Bayesian approach, slow rates of convergence √ d/n for the Gibbs estimator under the absolute loss were given in a previous work [7], where n is the ...
Alquier Pierre   +2 more
doaj   +1 more source

Transaction cost politics in over the counter markets

open access: yes, 2018
In this paper, we extend the model presented by Duffie et al. [5], assuming that the agents pay the transaction costs, when trading assets in over the counter market.
Federico Flore, M. Cenci
semanticscholar   +1 more source

How to Explain the Results of the Richard Thaler's 1997 Financial Times Contest

open access: yes, 2018
In 1997, by using a letter published in Financial Times, Richard H. Thaler, the 2017 Nobel Prize winner in Economics, performed the following experiment: he asked readers to submit numbers from 0 to 100, so that the person whose number is the closest to ...
O. Kosheleva, V. Kreinovich
semanticscholar   +1 more source

ON THE TAIL BEHAVIOR OF FUNCTIONS OF RANDOM VARIABLES

open access: yes, 2016
It is shown that the tail behavior of the function of nonnegative random variables can be characterized using deterministic functions satisfying certain properties.
Amit N. Kumar, Neelesh Shankar Upadhye
semanticscholar   +1 more source

The problem of resource allocation between the protection system and constructing redundant components

open access: yes, 2015
Recently papers investigating problems on detection of the moment of occurrence of an attack on various systems were published. In particular, they consider ”Dos-attacks” or attacks like of ”denial of service” in a computing system and subsequent changes
V. Bure, V. Karelin, L. N. Polyakova
semanticscholar   +1 more source

A benchmark approach to portfolio optimization under partial information [PDF]

open access: yes, 2007
Portfolio optimization, Partial information, Filtering, Growth optimal portfolio, Expected utility maximization, Utility indifference pricing, Real world pricing formula, G10, G13, Primary 90A12, Secondary 60G30, 62P20,
Runggaldier, WJ   +3 more
core   +1 more source

Zero-intelligence realized variance estimation

open access: yes, 2010
Limit order book, Market microstructure noise, Micro-price, Realized variance, Sampling schemes, 62E20, 62P20, C10, C80,
Gatheral, J.   +3 more
core   +1 more source

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