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Fuzzy evaluation model for lifetime performance of electronic products with redundant backup systems
Enhancing product quality and reliability can not only increase product value but also reduce rework and scrap rates and lengthen failure-induced...
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Smoothed semicovariance estimation for portfolio selection
Downside risk measures, such as semivariance, are essential for evaluating investment risk. Focusing on semivariance allows investors to emphasize...
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Shrinkage Estimation for Location and Scale Parameters of Logistic Distribution Under Record Values
Logistic distribution (LogDis) is frequently used in many different applications, such as logistic regression, logit models, classification, neural...
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Lifetime performance evaluation and analysis model of passive component capacitor products
With the rise of the semiconductor industry, passive components have become a foundation of the electronics industry and propelled the development of...
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A semi-parametric claims reserving model with monotone splines
Stochastic reserving models used in the insurance industry are usually based on an assumed distribution of claim amounts. Despite their popularity,...
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Estimating conservative profitability of a newsboy-type product with exponentially distributed demand based on multiple samples
In the present inventory management, the manager must determine an appropriate order quantity, while ensuring that the product has high potential...
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Non-parametric generalised newsvendor model
In the present paper we generalise the classical newsvendor problem for critical perishable commodities having more severe costs than its linear...
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Estimation of multicomponent stress-strength reliability based on a bivariate Topp-Leone distribution
In this endeavour, we study the statistical inference of multicomponent stress-strength reliability when components of the system have two paired...
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Probability Theory
Probability theory is a branch of mathematical science that deals with the mathematical analysis of random events. Probability is commonly used to...
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Optimal balanced chain decomposition of partially ordered sets with applications to operating cost minimization in aircraft routing problems
We consider the task of constructing a cost-effective daily flight schedule with a minimum number of required aircrafts and a maximum number of...
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Heterogeneous treatment effects and optimal targeting policy evaluation
We present a general framework to target customers using optimal targeting policies, and we document the profit differences from alternative...
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Estimation of reliability in a multicomponent stress-strength model for inverted exponentiated Rayleigh distribution under progressive censoring
We consider estimation of the multicomponent stress-strength reliability for inverted exponentiated Rayleigh distributions under progressive Type II...
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On Poisson Moment Exponential Distribution with Associated Regression and INAR(1) Process
Numerous studies have emphasised the significance of count data modeling and its applications to phenomena that occur in the real world. From this...
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Fuzzy evaluation of product reliability based on ratio-based lifetime performance index
In highly-competitive markets, product quality is a critical element of sustainable development for manufacturing enterprises. The pursuit of quality...
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Forecasting Value-at-Risk in turbulent stock markets via the local regularity of the price process
A new computational approach based on the pointwise regularity exponent of the price time series is proposed to estimate Value at Risk. The forecasts...
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Preconditioning meets biased compression for efficient distributed optimization
Methods with preconditioned updates show up well in badly scaled and/or ill-conditioned convex optimization problems. However, theoretical analysis...
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An Analysis of the Cost Efficiency of Ethiopian Airports
Cost efficiency is a key concern for any business. Existing efficiency analysis of airports mainly focus on minimizing costs, maintaining the...