This article investigates the sensitivity analysis of mean-variance portfolio holdings to changes in the upper bounds. The optimization problem studied in this paper is, thus, constrained by a restriction that no more than certain portion of wealth can be invested in any one security. Our...

The behaviour of individual movements in the wage distribution over time can be described by a Markov process. To investigate wage mobility in terms of transitions between quintiles in the wage distribution we apply a fixed effects panel estimation method suggested by Honorè and Kyriazidou...