Preface Contributors The Shapes of the Probability Density, Hazard, and Reverse Hazard Functions Masaaki Sibuya Stochastic Ordering of Risks, Influence of Dependence, and A.S. Constructions Ludger Ruschendorf The q-Factorial Moments of Discrete q-Distributions and a Characterization of the Euler Distribution Ch.A. Charalambides and N. Papadatos On the Characterization of Distributions Through the Properties of Conditional Expectations of Order Statistics I. Bairamov and O. Gebizlioglu Characterization of the Exponential Distribution by Conditional Expectations of Generalized Spacings Erhard Cramer and Udo Kamps Some Characterizations of Exponential Distribution Based on Progressively Censored Order Statistics N. Balakrishnan and S.V. Malov A Note on Regressing Order Statistics and Record Values I. Bairamov and N. Balakrishnan Generalized Pareto Distributions and Their Characterizations Majid Asadi On Some Characteristic Properties of the Uniform Distribution G. Arslan, M. Ahsanullah, and I.G. Bairamov Characterizations of Multivariate Distributions Involving Conditional Specification and/or Hidden Truncation Barry C. Arnold Bivariate Matsumoto-Yor Property and Related Characterizations Konstancja Bobecka and Jacek Wesolowski First Principal Component Characterization of a Continuous Random Variable Carles M. Cuadras The Lawless-Wang's Operational Ridge Regression Estimator Under the LINEX Loss Function Esra Akdeniz and Fikri Akdeniz On the Distributions of the Reference Dose and Its Application in Health Risk Assessment Mehdi Razzaghi Subject Index