Neste texto fazemos um apanhado inicial e geral das principais id¥eias relacionadas a teoria dos sistemas complexos.

When in "exact" present value (PV) relations the decision variables do not Granger cause the explanatory variables and a VAR process is used to derive restrictions, the system embodies explosive roots. Hence any test of the PV restrictions would reject the null if the system incorporates Granger...

This paper was written as the first draft of the invited Foreword for the book, Money and the Economy, by Apostolos Serletis. The paper provides a critical view of those areas in which methodology in economics deviates from that in the physical sciences, provides examples and illustrations of...

The Information and Communication Technologies (ICT) play a crucial role in the world today. Globalization as we know it and the emergence of so-called Information and Knowledge Society are the direct consequence of radical technological innovations that led to the development of the Internet...

In this paper we �first develop a theory of almost stochastic dominance for risk-seeking investors to the first three orders. Thereafter, we study the relationship between the preferences of almost stochastic dominance for risk-seekers with that for risk averters.

This paper investigates the impact of background risk on an investor’s portfolio choice in a mean-VaR, mean-CVaR and mean-variance framework, and analyzes the characterizations of the mean-variance boundary and mean-VaR efficient frontier in the presence of background risk. We also consider...

This paper is a contribution to the study of behavioral economics. It proposes a model of decision making process and includes the affective and cognitive systems, both them included when anyone evaluates the options to select one. First of all, a literature review was done. Secondly, an...

One of the most pressing problems in the Latvian economy is related to the energy sector. The most characteristic feature is coupled with the low efficiency of thermal energy consumption of households as a result of poor insulation of existing buildings in Latvia. Solving energy sector problems...

"Oppositional Analysis" - the name I give to the metaphysics presented in this volume - proposes a number of dichotomies through which one may analyze and understand systematically the structure of every level of reality. Macroeconomic theory, as well as social research, are two excellent stages...