This article aims to analyze the effect of debt on the profitability. This impact can be explained by three essential theories: signaling theory, the agency costs theory and tax theory. The sample consists of a panel of 1,078 French firms, unlisted, anonymous type and Limited Liability Company;...

This article discusses the steady state analysis of the M/G/2 queuing system with two heterogeneous servers under new queue disciplines when the classical First Come First Served ‘(FCFS)’ queue discipline is to be violated. Customers are served either by server-I according to an exponential...

This paper uses a conditional–convergence econometric model to investigate whether cohesion policy affects European economies. Its main contribution is to consider both spatial and temporal dynamics in assessing the impact of European cohesion policy. Econometric estimations rely on a...