The technique of perturbation analysis has recently been introduced as an efficient way to compute parameter sensitivities for discrete event systems. Thus far, the statistical properties of perturbation analysis have been validated mainly through experiments. This paper considers, for an M/G/1...

We present a model which enables efficient analysis of certain types of closed queueing networks with blocking due to limited buffer spaces. The networks analyzed are those in which the limited buffers occur in tandem subnetworks. A new model, with variable buffer-size, is introduced as a...

Infinitesimal Perturbation Analysis (IPA) is a method for computing a sample path derivative with respect to an input parameter in a discrete event simulation. The IPA algorithm is based on the fact that for certain parameters and any realization of a simulation, the change in parameter can be...

Muchos problemas del desarrollo van más allá de las fronteras nacionales y tienen un carácter regional e incluso global. El reconocimiento de estos retos, los cuales van de la transmisión de enfermedades entre fronteras hasta la dispersión de inestabilidad financiera global, ha llevado a...

Muchos problemas del desarrollo van más allá de las fronteras nacionales y tienen un carácter regional e incluso global. El reconocimiento de estos retos, los cuales van de la transmisión de enfermedades entre fronteras hasta la dispersión de inestabilidad financiera global, ha llevado a...

An objective of IMF programs is to help countries improve their access to international capital markets. In this paper, we examine if Fund programs influence the ability of developing country issuers to tap international bond markets and whether they improve spreads paid on the bonds issued. We...

Increasing foreign participation and high concentration levels characterize the recent evolution of banking sectors' market structures in developing countries. We analyze the impact of these factors on Latin American bank spreads during the late 1990s. Our results suggest that foreign banks were...