Oil sector is the most effective sector in these countries. Oil is the most important product that world industries use as the cheapest energy. The price of oil depends on the world’s supply and demand and many economic, political and geographical variables. This is the reason why the price of oil has fluctuations. The fluctuations in oil price lead to fluctuate in the oil revenues of the membe...

In recent years, a considerable number of physicists have started applying physics concepts and methods to understand economic phenomena. The term “Econophysics” is sometimes used to describe this work. Economic fluctuations can have many repercussions, and understanding fluctuations is a topic that many physicists have contributed to in recent years. Further, economic systems are examples of c...

I review the general aspects of cosmological parameter estimation from observations of the cosmic microwave background (CMB) temperature anisotropies in the framework of inflationary adiabatic models. The most recent CMB datasets are starting to give good constraints on the relevant parameters of inflationary adiabatic models. They point toward a model consistent with the basic predictions of i...

This paper studies the impact of income fluctuations on poverty, motivated by the recurring economic crises that affect developing countries and the incidence of income fluctuations on householdwelfare. The paper presents a set of tools for empirical work based on theoretically sound extensions of the existing methodology for static distributional analysis. Results form longitudinal data for Ar...

The paper examines an R&D model with uncertainty from the population growth, which is a stochastic cooperative Lotka-Volterra system, and obtains a sufficiently condition for the existence of the globally positive solution. The long-run growth rate of the economic system is ultimately bounded in mean and fluctuation of its growth will not be faster than the polynomial growth. When uncertainty o...

This paper considers an improvement in capital embodied technology which only production units that adapt to new knowledge can utilize. This innovation is distinct from a decline in capital goods price which can be utilized by all production units. A simple firm dynamics model is used to show that such an innovation shock enhances reallocation, whereas a shock lowering capital goods price reduc...

This article focuses on generational sustainability in welfare states and aims to analyse the long-term consequences that the reforms carried out by these states have on the different cohorts. It is shown that in the context of conjuncture fluctuation, from the “economic miracle” (1945–1975) to the slowdown in economic growth (1975 until today), a gap appeared between those who were exposed to ...

This paper studies the dynamic interaction between human capital accumulation and economic growth. Capital market imperfections and an indivisibility in human capital investment prevent poor agents from accumulating skills, the acquisition of which positively affects technological progress. More productive technologies in turn requiremore sophisticated qualificatio and involve higher training c...

a r t i c l e i n f o This study addresses the impact of equity market liquidity on Canadian economic growth and investigates how consumer attitudes/sentiments affect the dynamic macro-liquidity relationship. Using various market liquidity proxies (e.g., illiquidity ratio and open interest of equity futures) while controlling for a specific set of variables, we obtain the following main results...