The purpose of this thesis was to study the reliability and the accuracy of GPS positioning in Palm Beach and Broward counties.

We consider a class of stochastic mathematical programs with complementarity constraints, in which both the objective and the constraints involve limit functions or expectations that need to be estimated or approximated.Such programs can be used for modeling average or steady-state behavior of...

It is usual to estimate willingness-to-pay in discrete choice models through Logit models –or their expanded versions-. Nevertheless, these models have very restrictive distributional assumptions. This paper is intended to examine the above mentioned issue and to propose an alternative...

This paper gives an overview of some issues related to market aluation, focusing on the developments on the New York equity markets. The 42.4 p.c. fall in the S&P 500 price index between 24 March 2000 - when it reached its all-time high - and 31 December 2002 is situated in a very long term...

The evolution of the economy of Puerto Rico has been characterized by a long period of economic instability, decelerating therefore the economic activity, in most of the studied years. For such reason, in this work, by means of the creation of binary choice models, the factors that affect the...

To measure the economic effects of political movements in China a simple econo-metric model is constructed. Investment is determined by a central planner maximizing a multiperiod objective function. Political events are modeled by exogenous changes in the shocks to productivity and to investment...