Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

For binomial and Poisson distributions, the scale parameter has a value of 1. The variance of Y is for the binomial distribution and for the Poisson distribution. Overdispersion occurs when the ...

Chapter \@ref(sampling) emphasized the concept of sampling and introduced the crucial aspect of statistics: randomness. Although the mean represents the central tendency of the data, it does not ...

Abstract: Within Markowitz's mean-variance framework, the portfolio selection problem is proposed on finite time horizon [0,T] . Unlike with the classical continuous-time mean-variance portfolio ...