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Cooperation on Climate Change under Economic Linkages: How the Inclusion of Macroeconomic Effects Affects Stability of a Global Climate Coalition

Jan Kersting, Vicki Duscha, and Matthias Weitzel

Year: 2017
Volume: Volume 38
Number: Number 4
DOI: 10.5547/01956574.38.4.jker
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Abstract:
Game-theoretic models of international cooperation on climate change come to very different results regarding the stability of the grand coalition of all countries, depending on the stability concept used. In particular, the core-stability concept produces an encouraging result that does not seem to be supported by reality. We extend the game-theoretic model based on this concept by introducing macroeconomic effects of emission reduction measures in multiple countries. The computable general equilibrium model DART and damage functions from the RICE model are used to quantify the theoretical model. Contrary to the classical model, we find that, under damages in the IPCC range, the core of the resulting cooperative game is empty and no stable global agreement exists. This is mainly due to fossil fuel exporting countries, which are negatively affected by lower fossil fuel prices resulting from emission reduction measures.



Oil Price Pass-through into Core Inflation

Cristina Conflitti and Matteo Luciani

Year: 2019
Volume: Volume 40
Number: Number 6
DOI: 10.5547/01956574.40.6.ccon
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Abstract:
We estimate the oil price pass-through into consumer prices both in the U.S. and in the euro area. In particular, we disentangle the specific effect that an oil price change might have on each disaggregate price, from the effect on all prices that an oil price change might have since it affects the whole economy. To do so, we first estimate a Dynamic Factor Model on a panel of disaggregate price indicators, and then we use VAR techniques to estimate the pass-through. Our results show that the oil price passes through core inflation only via its effect on the whole economy. This pass-through is estimated to be small, but statistically different from zero and long lasting.



High-Speed Rail and Energy Productivity: Evidence from China

Yantuan Yu and Shuai Shao

Year: 2024
Volume: Volume 45
Number: Number 1
DOI: 10.5547/01956574.45.1.yayu
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Abstract:
Using the difference-in-differences method combined with the propensity score matching, this study identifies the causal relationship between high-speed rail (HSR) and energy productivity in China. Furthermore, we investigate the mechanism through which HSR affects energy productivity, as well as the heterogeneity of the impact across quantiles and distances. The results show that HSR connection contributes to the improvement of energy productivity. This finding is consolidated after a potential endogeneity problem is addressed using the instrumental variable method and a variety of potential confounders are controlled through a series of robustness checks. On average, the marginal impact of HSR on energy productivity is approximately 9%. Moreover, HSR connection cannot be completely substituted by traditional railway and aviation in improving energy productivity. The heterogeneity analysis suggests that the positive energy productivity effect of HSR gradually decreases with an increasing distance to the nearest HSR station. In addition, HSR network accessibility has a significant positive effect on energy productivity, while technological innovation mediates the relationship between HSR development and energy productivity. We propose that to achieve the long-term improvement of energy productivity, policymakers should comprehensively consider both transit-oriented development and ecology-oriented development modes.





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