Julian Simon has stated, in many of his recent publications, that population growth, although reducing income per capita in the short run through capital dilution, increases the rate of growth of that same income per capita in the long run (steady state) through technical progress brought about...

This study, conducted with a sample of Spanish listed companies during the period 1998–2008, examines the role of financial reporting quality and debt maturity in investment efficiency. The results show that financial reporting quality mitigates the overinvestment problem. Likewise, lower debt...

A sufficiently accessible public transport, is one of the main factors for the implementation of congestion charging, which ensures addition, an adequate level of social equity in mobility, a high degree of social acceptance. This article based on a population survey for the City of Madrid and...

In this paper we address the problem of batching orders in a warehouse, with the objective of minimizing the total travel time. Order batching is an NP-hard optimization problem that is very difficult to solve exactly in practice. Thus, most implemented solutions are based on elementary...

El grado de utilización del transporte público en el ámbito de las grandes ciudades es representativo del nivel de comportamiento sostenible en la movilidad. El presente artículo, sobre la base de una encuesta poblacional de movilidad en el ámbito de la Comunidad de Madrid y el...