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Random Apportionment: A Stochastic Solution to the Balinski-Young Impossibility
An apportionment paradox occurs when the rules for apportionment in a political system or distribution system produce results which seem to violate...
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Distribution of Patterns of Constrained Length in Binary Sequences
On a finite sequence of binary (0-1) trials we define a random variable enumerating patterns of length subject to certain constraints. For sequences...
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Equilibrium Queueing Strategies in M/G/1 Queues with the Reference Time Effect
Waiting is a major factor influencing the perception of delay-sensitive customers in the service industry. In the process of queueing, some customers...
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Qualitätsdimensionen maschinellen Lernens in der amtlichen Statistik
Official statistics distinguishes itself through the legally stipulated requirement to ensure the quality of its publications. To this end, it...
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Bivariate Semi-Parametric Model: Bayesian Inference
The motivation of this paper came from two bivariate diabetic retinopathy data sets. The main aim is to test whether the laser treatment delays the...
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Asymptotics of Sum of Heavy-tailed Risks with Copulas
We study the tail asymptotics of the sum of two heavy-tailed random variables. The dependence structure is modeled by copulas with the so-called tail...
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Ruin Problems for Risk Processes with Dependent Phase-Type Claims
We consider continuous time risk processes in which the claim sizes are dependent and non-identically distributed phase-type distributions. The class...
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A Semi-Markov Model with Geometric Renewal Processes
We consider a repairable system modeled by a semi-Markov process (SMP), where we include a geometric renewal process for system degradation upon...
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Three Distributions in the Extended Occupancy Problem
The classical and extended occupancy distributions are useful for examining the number of occupied bins in problems involving random allocation of...
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Flexible Bayesian Inference for Diffusion Processes using Splines
We introduce a flexible method to simultaneously infer both the drift and volatility functions of a discretely observed scalar diffusion. We...
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Innovation for improving climate-related data—Lessons learned from setting up a data hub
In this article, we present a framework to assess the challenges in the climate-related data landscape. From our perspective, we describe challenges...
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Continuous-Time Stochastic Analysis of Rumor Spreading with Multiple Operations
In this paper, we analyze a new asynchronous rumor spreading protocol to deliver a rumor to all the nodes of a large-scale distributed network. This...
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Binomial Approximation to Locally Dependent Collateralized Debt Obligations
In this paper, we develop Stein’s method for binomial approximation using the stop-loss metric that allows one to obtain a bound on the error term...
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Simulation Analysis of a Base Station Using Finite Buffer M/G/1 Queueing System with Variant Sleeps
In communication networks, the signals from mobile phones are transmitted through Base Stations(BS). Nowadays the usage of mobile phones has...
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Strategic Behavior and Optimization of an M/M/1 Queue with N-Policy and Hysteretic Control
This work aims to study customer strategic behavior and operational optimization of an M/M/1 queue with N -policy and dynamic service-rate control in...
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A New Separation Index and Classification Techniques Based on Shannon Entropy
The purpose is to use Shannon entropy measures to develop classification techniques and an index which estimates the separation of the groups in a...
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Eine Analyse des Studienerfolgs im Masterstudium auf der Basis von Umfrage- und administrativen Prüfungsdaten: Ein Vergleich von fünf Masterstudiengängen am Fachbereich Wirtschaftswissenschaft der Freien Universität Berlin
In a survey among newly enrolled graduate students, we asked about social background, students’ financial situation, and their motivation for...
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Die Lohnlücke in der Zeitarbeit
The wage gap between persons employed within and outside temporary agency work is calculated in Germany on the basis of different data sets, which...
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Optimal Investment-Consumption and Life Insurance Strategy with Mispricing and Model Ambiguity
In this paper, we consider the optimal investment-consumption and life insurance strategy for a wage earner who has uncertain labor income described...
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Asymptotics for a Bidimensional Renewal Risk Model with Subexponential Main Claims and Delayed Claims
This paper considers a bidimensional renewal risk model with main claims and delayed claims. Concretely, suppose that an insurance company...