We are concerned with causality semantics in the executions of Petri nets with range arcs. Range arcs combine (and subsume) the distinctive features of inhibitor and activator arcs, and each such arc provides a means of specifying a range (a finite or infinite interval of non-negative integers) for the number of tokens in a place which makes enabling of a given transition possible. We demonstra...

The main concern of this paper is to answer the question of the determinants of FDI inflows to West African Economic and Monetary Union (WAEMU). The literature on FDI recognizes not only the existence of gaps between domestic savings and investment in most developing countries but also that FDI constitutes a cure capable to bring the latest technology and management know-how into these countrie...

This study aims to determine the effect of liquidity, solvency, and activity mediated by profitability on firm value. The object this is sub-sector oil gas companies listed Indonesia Stock Exchange with a population 8 companies. Selection sample using saturated method. research design causality data analysis methods panel regression analysis. results show that variables solvency do not directly...