In The Trade Cycle, Roy Harrod [1936a] propounded the Law of Diminishing Elasticity of Demand. The present paper tries to clarify the precise role Harrod assigned to this law in order to understand his trade cycle theory. We discuss the micro and macro foundations of the Law of Diminishing...

Les études qui se sont intéressées aux performances du secteur du capital-investissement européen montrent toutes que ces dernières sont nettement inférieures à celles enregistrées par leurs homologues anglo-saxons. On a recherché pendant longtemps à identifier les déterminants de...

This paper analyzes the capacity of mobile-payment solutions to improve financial inclusion in developing countries. It elaborates from rural East African countries experiences where mobile payment services have developed rapidly. With a simple dynamic model which rationalizes traders' adoption...

Alternative currencies continue to develop all around the world, taking various forms (material or immaterial) and fulfill various functions. They are created in order to promote the local economy development and to fight against social exclusion. They are principally aimed to low income people...

Since the expansion of environmental awareness and protection in recent decades, market actors, tourists and stake-holders, have been progressively more aware of ecological issues and conscious of existing pollution caused by mass tourism. Therefore, a new concept of sustainable tourism have...

This paper explores the economic models associated to different mobile-payment systems. We first present the existing experiences and review the few economic literature on the subject. We then concentrate on the four economic models currently experimented around the world: the operator-centric...

We investigate in this paper the problem of the dynamics of adoption of electronic commerce, focusing on agents’ expertise and learning patterns in using e-markets. Traders face a double uncertainty. In the traditional channel, intrinsic frictions make uncertain the implementation of an...

To distribute software, commercial vendors of proprietary software have the opportunity to use some dual licensing (DL) strategy i.e. to provide their software under two different licensing terms (proprietary and open source). We investigate the relevance and impacts of this distribution...

The topic of this article is to suggest some lines of analysis of the transactional functions of the exchange market in the determination of relationships between national and international currencies. A brief review of the literature is devoted to the analysis of external trade in the framework...