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In both corporate finance and asset pricing empirical work, researchers are often confronted with panel data. In these data sets, the residuals may be correlated across firms and across time, and OLS standard errors can ...

A previously described coefficient of agreement for nominal scales, kappa, treats all disagreements equally. A generalization to weighted kappa (Kw) is presented. The Kw provides for the incorpation of ratio-scaled degre...

Abstract In lifetesting, medical follow-up, and other fields the observation of the time of occurrence of the event of interest (called a death) may be prevented for some of the items of the sample by the previous occurr...

Materias / palabras clave: mathematics, statistics, data analysis, operational research, actuarial statistics, simulation; Social Sciences: Statistics; Science: Mathematics; Technology: Electrical engineering. Electronics. Nuclear engineering: Ele...

Materias / palabras clave: mathematics, applied mathematics, statistics, actuarial science, physics, computer science; Science: Mathematics: Probabilities. Mathematical statistics

Materias / palabras clave: financial mathematics, mathematical physics, applied probability and statistics, actuarial, machine learning and artificial intelligence, stochastic process; Science: Mathematics

Materias / palabras clave: big data, bayesian statistics, financial statistics, actuarial studies, survival analysis, reliability engineering; Science: Mathematics: Probabilities. Mathematical statistics