Revista OEconomica

Alexandru POPOVICI - Mass-Energy Models of the Economy – Concepts and Realities

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Mihai Răzvan NEDELCU - “Industry 4.0” and “Vanity Projects” as Means to Diversify an Economy: The Case of Saudi Arabia’s NEOM

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Cezar TECLEAN - The Impact of the Business Environment Quality on Economic Competitiveness in the European Union

Mihaela IACOB - Book Review / Recenzie de carte: Andreea Stoian (coordonator), Relaţia mea cu banii. Educaţia financiară de la stiinţă la viaţa de zi cu zi, Bucureşti, Editura ASE, 2022

Articles on Issue Theme

Alexandru POPOVICI

Universitatea Româno-Americană

Substance and energy are the main forms under which both the processes at the economy basis (production and trade) and of the ecosphere (from soil and subsoil, biosphere and atmosphere) are presenting. Therefore, mass-energy models allow a unified treatment of the “social metabolism” and of its interaction with the environment. In this study, we present the most important models, both those that study separately material or energy flows, as well as the synthetic ones, more complex, but more realistic. We deal with both descriptive and prescriptive models, which serve to develop analyses and policies at various levels: branch, country, region or global ensemble. In addition, we analyse the main assumptions and methods of these models, together with the goals and the feasibility of policies built-up on their basis.

ŒCONOMICA no. 3-4/2022

Keywords: economy, ecology, material flow analysis, energy flow analysis, systemic models, technological evolution, life cycle assessment, economic policies

JEL: B50, C50, O33, Q57

Mass-Energy Models of the Economy – Concepts and Realities

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