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Systemic resilience of networked commodities

From a paper by Roy Cerqueti, Raffaele Mattera, and Saverio Storani:

“This paper develops a class of complex network-based models whose interconnected nodes are commodities. We assume that the considered commodities are linked on the ground of the similarities of risk profiles and correlations of their returns. In this framework, we explore the resilience of the networks — i.e., their ability to absorb exogenous microscopic shocks. To this aim, we assume that high levels of resilience are associated with small variations of the community structure of the network when an exogenous shock occurs — hence, assuming that the stability of the networked commodities is measured through the maintenance of their connection levels. Shocks are conceptualized as impulsive modifications of the links among the considered commodities. The employed methodological instrument is the clustering coefficient, which is a nodal centrality measure describing the way the adjacent of the nodes are mutually connected. The theoretical proposal is empirically tested over a large set of commodities of different nature.”

From a paper by Roy Cerqueti, Raffaele Mattera, and Saverio Storani:

“This paper develops a class of complex network-based models whose interconnected nodes are commodities. We assume that the considered commodities are linked on the ground of the similarities of risk profiles and correlations of their returns. In this framework, we explore the resilience of the networks — i.e., their ability to absorb exogenous microscopic shocks. To this aim, we assume that high levels of resilience are associated with small variations of the community structure of the network when an exogenous shock occurs — hence,

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Posted by at 8:28 AM

Labels: Energy & Climate Change

Oil price passthrough to consumer price inflation in South Africa: the role of the inflation environment

From paper by Eliphas Ndou & Nombulelo Gumata:

“This paper estimates various inflation threshold and structural VAR models to investigate the passthrough of oil prices to consumer price inflation in South Africa when inflation is in the 3–6 percent inflation target band compared to when it is above 6 percent. The paper uses monthly data from 2001M1 to 2022M12. We find that the oil price passthrough to inflation is about three times lower when inflation is within the 3–6 percent target band compared to when it is above the 6 percent. Thus, under the inflation targeting framework, the 3–6 percent inflation target band has induced a structural change in the oil price and inflation relationship in South Africa. In addition, a one percentage point oil price inflation shock raises inflation by 0.11 percentage points when inflation is below 4.5 percent compared to 0.43 percentage points above this threshold. These findings imply that the oil price passthrough coefficient in the Bank forecasting model should be half the size when inflation is within 3-6 percent compared to when inflation isabove 6 percent”

From paper by Eliphas Ndou & Nombulelo Gumata:

“This paper estimates various inflation threshold and structural VAR models to investigate the passthrough of oil prices to consumer price inflation in South Africa when inflation is in the 3–6 percent inflation target band compared to when it is above 6 percent. The paper uses monthly data from 2001M1 to 2022M12. We find that the oil price passthrough to inflation is about three times lower when inflation is within the 3–6 percent target band compared to when it is above the 6 percent.

Read the full article…

Posted by at 2:55 PM

Labels: Energy & Climate Change

Environmental Kuznets curve and green regulation

From a paper by Luca Bettarelli, Davide Furceri, Prakash Loungani, Jonathan Ostry and Loredana Pisano:

“In this paper, we first test the validity of the Environmental Kuznets Curve (EKC) hypothesis, using a large sample of approximately 190 advanced and developing countries, over a period of 34 years (1989-2022). We find that (CO 2 ) emissions respond positively to increasing income per capita, up to a turning point of approximately US$25,000. In a departure from the previous literature, we allow the relationship between economic development and emissions to depend on the stringency of environmental regulation.”

From a paper by Luca Bettarelli, Davide Furceri, Prakash Loungani, Jonathan Ostry and Loredana Pisano:

“In this paper, we first test the validity of the Environmental Kuznets Curve (EKC) hypothesis, using a large sample of approximately 190 advanced and developing countries, over a period of 34 years (1989-2022). We find that (CO 2 ) emissions respond positively to increasing income per capita, up to a turning point of approximately US$25,000. In a departure from the previous literature,

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Posted by at 3:30 PM

Labels: Energy & Climate Change

Economic Growth and CO2 emissions in Germany: analysis of absolute and sufficient decoupling

From a paper by Cristian Mogo Castro:

“This paper examines the relationship between economic growth and CO2 emissions in Germany during the period 1990-2019, aiming to determine whether there has been absoulute and sufficient decoupling to meet the climate targets of the Paris Agreement. The results suggest that Germany experienced strong decoupling between GDP ans CO2 emissions, associated with technological transformations, climate policies, and improvements in productive efficiency. However, the observed decoupling rate is insufficient to meet the climate targerts of limiting global temperature rise to below 1.5ºC, 1.7ºC, and 2ºC.”

From a paper by Cristian Mogo Castro:

“This paper examines the relationship between economic growth and CO2 emissions in Germany during the period 1990-2019, aiming to determine whether there has been absoulute and sufficient decoupling to meet the climate targets of the Paris Agreement. The results suggest that Germany experienced strong decoupling between GDP ans CO2 emissions, associated with technological transformations, climate policies, and improvements in productive efficiency. However, the observed decoupling rate is insufficient to meet the climate targerts of limiting global temperature rise to below 1.5ºC,

Read the full article…

Posted by at 7:12 AM

Labels: Energy & Climate Change

The Importance of Sustainability in Global Environmental Integration

From Humanity on Trial:

“As discussed on the environmental integration page, cognitive environmental integration has two dimensions: the internal dimension refers to the existence or creation of an overarching cognitive framework that can provide guidance on what environmental processes, limits, principles or imperatives need to be respected to preserve the environmental systems on which life, including human life, depends; the external dimension refers to the integration of those ‘parameters’ as core elements into the cognitive frameworks (ideologies; theories, management frameworks and other) that guide human behaviour, actions and practices in what are usually regarded non-environmental areas, such as economic thinking, ideas, theories or models guiding the development of energy systems, technology, agriculture, transport, the production and consumption of goods and services, the design and construction of buildings and the built-up environment, and any other areas that have (potentially) a significant impact on the environment.

It may surprise those who think that the creation and adoption of such an overarching cognitive environmental framework at the global level is a utopian idea that, in practice, this is an area of environmental integration in which global efforts have been relatively successful. I am referring here, in particular, to the rise of the notion of sustainable development and the extent to which it has been adopted by governments worldwide and international organisations.”

Continue reading here.

From Humanity on Trial:

“As discussed on the environmental integration page, cognitive environmental integration has two dimensions: the internal dimension refers to the existence or creation of an overarching cognitive framework that can provide guidance on what environmental processes, limits, principles or imperatives need to be respected to preserve the environmental systems on which life, including human life, depends; the external dimension refers to the integration of those ‘parameters’ as 

Read the full article…

Posted by at 6:57 AM

Labels: Energy & Climate Change

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