We study the development of a duopoly industry -evolution of firm capacities and competitive behavior- in a continuous-time real-options model of capacity investment. Our methodology allows the evaluation of investment options and exercise rules in a strategic setup. In the initial industry...

We study a simple duopoly model of preemption with multiple investments and instantaneous Bertrand competition in a stochastically growing market. Different patterns of equilibria may arise, depending on the importance of the real option effect. If the average growth rate of the market is close...

La contribution des technologies d'information et de communication à la croissance fait l'objet de nombreux commentaires établis à partir d'analyses dont les difficultés méthodologiques doivent être relevées. Ainsi, sont mis en exergue le retard de tel ou tel pays dans l'adoption de ces...

This paper intend to keep some lessons from the recent crisis for the monetary and fiscal stabilization policies. We develop six propositions about these policies : The monetary policy may be wrongly orientated before a crisis ; The non-orthodox monetary actions are effective but dangerous; The...

This paper attempts to answer the optimal question, that of decelerating the spread of COVID-19 without damaging the economy. Proceeding through standard thinking of dynamic optimization theory à la Fujita, we believe that workers need to come into contact with other workers less and less,...

This "summary" of national accounting is intended to be used as support to complete the course of national accounting during exercises (*). This "summary" does't replace the main course of national accounting, but we hope the students will find a quick presentation of macroeconomic tools, their...

This paper investigates the short-run and long-run relationships between four main Algerian macroeconomic variables, the investment of oil revenues, economic growth, unemployment rate, inflation rate, using the Johansen multivariate cointegration techniques as well as VAR model for the period...

This paper assesses the shock impact of commodity prices on the macroeconomic framework in the Democratic Republic of the Congo. Using a Vector autoregressive (VAR) model, we determine the impulses of each macroeconomic sector to lower prices. The results indicate that this shock leads to...

Due to the COVID 19 global growth contractés sharply in 2020.2021 Is marked by a recouvert with thé gradual easing of health restriction measures

Due to the covid 19 global growth contracted sharply in 2020. 2021 is marked by a recovery with the gradual easing of health restriction measures.