In this research, the concept of Duration with a new application in project management has been defined. The Duration of each project provides the project manager with a combined measure containing concepts of return, cost and time of the project. Further in this article, the changes in project...

This paper analyzes nuclear power plant investments using Monte Carlo simulations of economic indicators such as net present value (NPV) and levelized cost of electricity (LCOE). In times of liberalized electricity markets, largescale decarbonization and climate change considerations, this topic...

We consider a non-homogeneous continuous time Markov chain model for Long-Term Care with five states: the autonomous state, three dependent states of light, moderate and severe dependence levels and the death state. For a general approach, we allow for non null intensities for all the returns...

This thesis contains three essays in public economics. The first two chapters are concerned with the sustainability of government finances. The third chapter examines the effect of physician coverage on infant mortality.

The second chapter aims to calculate maximum sustainable debt ratios in advanced economies. We estimate a model based on countries' economic fundamentals. The model incorporates feedback effects between interest rates and debt ratios, allows for multi-period debt and considers different fiscal...