The covariance matrix of asset returns is the key input for many problems in finance and economics. This paper introduces a Bayesian nonparametric method to estimate the ex post covariance matrix from ...

This is a preview. Log in through your library . Abstract A bivariate distribution with continuous margins can be uniquely decomposed via a copula and its marginal distributions. We consider the ...

Multilevel analysis is a useful technique for analyzing longitudinal data. To describe a person's development across time, the quality of the estimates of the random coefficients, which relate time to ...