scholarly journals Uncertain long-run emissions targets, CO2 price and global energy transition: A general equilibrium approach

Energy Policy ◽  
2010 ◽  
Vol 38 (9) ◽  
pp. 5108-5122 ◽  
Author(s):  
Olivier Durand-Lasserve ◽  
Axel Pierru ◽  
Yves Smeers
2019 ◽  
Vol 3 (1-2) ◽  
pp. 45-58 ◽  
Author(s):  
Bassam Fattouh ◽  
Rahmatallah Poudineh ◽  
Rob West

Abstract The energy landscape is changing rapidly with far-reaching implications for the global energy industry and actors, including oil companies and oil-exporting countries. These rapid changes introduce multidimensional uncertainty, the most important of which is the speed of the transition. While the transformation of the energy system is rapid in certain regions of the world, such as Europe, the speed of the global energy transition remains highly uncertain. It is also difficult to define the end game (which technology will win and what the final energy mix will be), as the outcome of transition is likely to vary across regions. In this context, oil companies are facing a strategic dilemma: attempt the risky transition to low-carbon technologies by moving beyond their core business or just focus on maximising their return from their hydrocarbon assets. We argue that, due to the high uncertainty, oil companies need to develop strategies that are likely to be successful under a wide set of possible future market conditions. Furthermore, the designed strategies need to be flexible and evolve quickly in response to anticipated changes in the market. For oil-exporting countries, there is no trade-off involved in renewable deployment as such investments can liberate oil and gas for export markets, improving the economics of domestic renewables projects. In the long run, however, the main challenge for many oil countries is economic and income diversification as this represents the ultimate safeguard against the energy transition. Whether or not these countries succeed in their goal of achieving a diversified economy and revenue base has implications for investment in the oil sector and oil prices and consequently for the speed of the global energy transition.


2020 ◽  
Vol 12 (3) ◽  
pp. 1176 ◽  
Author(s):  
Jean-François Fagnart ◽  
Marc Germain ◽  
Benjamin Peeters

The concept of energy return (EROEI ratio) is widely used in energy science to describe the interactions between energy and the economic system but it is largely ignored in macroeconomics. In order to contribute to bridging a gap between these fields of research, we incorporate these metrics into an endogenous growth model with two sectors (energy and final goods) and use this model to analyze the macroeconomic implications of a transition to lower EROEI resources. An approach in terms of net energy allows us (1) to explicitly link the EROEI to macroeconomic variables, (2) to show how it is related to the growth rate of GDP and (3) to obtain a closed-form solution for its long-run value at a general equilibrium level. There is furthermore a tight and decreasing long-run relationship between the EROEI value and the share of investment that must be allocated to the energy sector. Hence, a transition to lower EROEI resources intensifies the rival use of capital in the energy and non-energy sectors and leads to major economic changes, both in the inter-sectoral capital allocation and in the allocation of final output between consumption and investment. We show that a protracted economic contraction may occur before the completion of the transition to renewable energy. We analyze how (1) the magnitude of this contraction and (2) the possibility of an ulterior recovery depend on the initial stock of non-renewables, the potentials of technical progress in the energy and non-energy sectors and the substitutability between capital and energy.


2003 ◽  
Vol 7 (3) ◽  
pp. 407-423 ◽  
Author(s):  
Cem Karayalçin

The paper studies the effects of an expansionary fiscal policy in a general equilibrium model of a small open economy. Households are assumed to possess habit-forming, endogenous rates of time preference. In response to fiscal shocks, the model generates cyclical endogenous persistence and procyclical time paths for consumption, employment, and investment, as well as a countercyclical path for the current account. Furthermore, fiscal shocks are shown to have positive long-run effects on output and negative long-run effects on consumption.


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