Mitigation and adaptation to climate change

Climate change produces significant social and economic impacts in most parts of the world, thus global action is needed to address climate change. In this chapter, the different possibilities of mitigation are explored from different points of view, and analyse the possibilities of adaptation to climate change. First, substantial reduction of GHG emission is needed, on the other hand adaptation action must deal with the inevitable impacts. According to the assessment of the chapter, it is essential that coordinated actions be taken at an EU level. In our argumentation, a macroeconomic model is used for the cost- benefit analysis of GHG gas emissions reduction. The GHG emission structure is analysed on European and global level. Even in the case of a successful mitigation strategy there rest the long-term effects of climate change which will need a coherent adaptation strategy to be dealt with. Although certain adaptation measures already have been taken, these initiatives are still very modest, and insufficient to deal with the economic effects of climate change properly

Climate change and agriculture in the Sudan: Impact pathways beyond changes in mean rainfall and temperature

Several environmental changes have occurred in the Sudan in the past; several are ongoing; and others are projected to happen in the future. The Sudan has witnessed increases in temperature, floods, rainfall variability, and concurrent droughts. In a country where agriculture, which is mainly rainfed, is a major contributor to gross domestic product, foreign exchange earnings, and livelihoods, these changes are especially important, requiring measurement and analysis of their impact. This study not only analyzes the economy-wide impacts of climate change, but also consults national policy plans, strategies, and environmental assessments to identify interventions which may mitigate the effects. We feed climate forcing, water demand, and macro-socioeconomic trends into a modelling suite that includes models for global hydrology, river basin management, water stress, and crop growth, all connected to the International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT). The outcomes of this part of the modeling suite are annual crop yields and global food prices under various climate change scenarios until 2050. The effects of such changes on production, consumption, macroeconomic indicators, and income distribution are assessed using a single country dynamic Computable General Equilibrium (CGE) model for the Sudan. Additionally, we introduce yield variability into the CGE model based on stochastic projections of crop yields until 2050. The results of the model simulations reveal that, while the projected mean climate changes bring some good news for the Sudan, extreme negative variability costs the Sudan cumulatively between 2018 and 2050 US$109.5 billion in total absorption and US$ 105.5 billion in GDP relative to a historical mean climate scenario without climate change

Developing green: A case for the Brazilian manufacturing industry

The recent IPCC Special Report on global warming of 1.5 °C emphasizes that rapid action to reduce greenhouse gas (GHG) emissions is vital to achieving the climate mitigation goals of the Paris Agreement. The most-needed substantial upscaling of investments in GHG mitigation options in all sectors, and particularly in manufacturing sectors, can be an opportunity for a green economic development leap in developing countries. Here, we use the Brazilian manufacturing sectors as an example to explore a transformation of its economy while contributing to the Paris targets. Projections of Brazil's economic futures with and without a portfolio of fiscal policies to induce low carbon investments are produced up to 2030 (end year of Brazil's Nationally Determined Contribution-NDC), by employing the large-scale macro econometric Energy-Environment-Economy Model, E3ME. Our findings highlight that the correct mix of green stimulus can help modernize and decarbonize the Brazilian manufacturing sectors and allow the country's economy to grow faster (by up to 0.42% compared to baseline) while its carbon dioxide (CO2) emissions decline (by up to 14.5% in relation to baseline). Investment levels increase, thereby strengthening exports' competitiveness and alleviating external constraints to long-term economic growth in net terms

Measurement of social net benefit of climate stabilization policy

To evaluate the social welfare of climate stabilization policy from perspectives of cost–benefit analysis in a optimal economic growth framework based on macroeconomic theory, the purposes of this study are to show theoretically that the equivalent variation is divisible into a public-welfare effect, an income-change effect, and changes in investment in consideration of non-market effects of temperature change on utility. Then each effect of climate stabilization policy must be measured using simulation analysis. Consequently, it is concluded that the framework that this study has adopted is theoretically consistent with traditional cost-benefit framework and can measure each effect of climate stabilization policy.equivalent welfare measure, cost-benefit analysis, climate stabilization policy, macroeconomic model

From climate change to cyber-attacks: incipient financial-stability risks for the euro area. Bruegel Policy Contribution Issue n˚2 | February 2020

The European Central Bank’s November 2019 Financial Stability Review highlighted the risks to growth in an environment of global uncertainty. It also discusses sovereign-debt concerns in case interest rates increase, and risks arising from household and corporate debt. It assesses the risks from a possible overvaluation of asset prices, and evaluates risks within the banking and non-banking system, and climate risks. On the whole, the ECB report is comprehensive and covers the main risks to euro-area financial stability. However, some issues deserve more attention. • First, the assessment of risks in the housing market should be more nuanced. Current housing markets relative to those pre-crisis seem to be far less driven by mortgage credit, and the size of the construction sector has not increased. This is possibly good news for financial stability because a house price correction would transmit less into mortgage defaults and corrections to economic activity. • Second, there should be greater emphasis on changes in market expectations of interest rates, which can have substantial effects on asset prices. This could be particularly relevant if interest rate changes are not driven by real-economy developments. • Third, the financial system relies on a safe asset as a reference. We show that the supply of safe sovereign assets in the euro area has fallen dramatically, driven by deteriorating sovereign credit ratings and reduced supplies of bonds from the safest countries. More safe assets would support financial stability. • Fourth, though climate risks to financial stability must be taken seriously, risk weights on green assets should not be reduced since they still contain normal financial stability risks. Instead, risk weights for brown assets should be increased. • Fifth, the ECB does not consider cybersecurity and hybrid threats in its assessment. These threats are significant risks for financial institutions and at the more systemic level. • Policies to address financial-stability concerns include macroprudential measures. In this respect, we discover discrepancies between EU countries: countries with the same levels of house-price overvaluation have adopted very different macroprudential measures. Some countries might thus have done too much, while others have done too little. • When it comes to preventing the next recession or reducing its impact, we argue that EU policymakers need to be better prepared to use discretionary fiscal policy earlier and more forcefully, in particular because the ability of monetary authorities to react to the next cyclical downturn is very limited

The impact of economic news on bond prices: evidence from the MTS platform

Although there is an extensive literature on the impact of macroeconomic announcements on asset prices, the bond market has received less attention than the foreign exchange and equity markets, even less if we consider the European market. This paper uses high-frequency intra-day data over a three-year period to investigate the impact of regularly scheduled macroeconomic news and monetary policy announcements on the returns of the Italian government bond market, the largest one in the Euro-zone. With respect to the previous papers, we use a much broader set of announcements, sixty-eight, and a relatively novel dataset (MTS). We find that twenty-five news have a significant impact on bond returns and that almost all announcements are incorporated into prices within twenty minutes from the release

The macro-economic effects of health co-benefits associated with climate change mitigation strategies

The UK government has specific targets for greenhouse gas (GHG) emission reduction to lower the risk of dangerous climate change. Strategies to reduce GHG emissions are sometimes perceived as expensive and difficult to implement but previous work has demonstrated significant potential health co-benefits from ‘Active Travel and low carbon driving’, ‘Housing Insulation/Ventilation’, and ‘Healthy Diet’ scenarios which may be attractive to policymakers. Here a Computable General Equilibrium model is used to assess the financial effects of such health co-benefits on the wider economy including changes in labour force, social security payments and healthcare costs averted. Results suggest that for all scenarios the financial impacts of the health co-benefits will be positive and increased active travel in particular is likely to make a substantial contribution, largely due to health care costs averted. Strategies to reduce GHG emissions and improve health are likely to result in substantial and increasing positive contributions to the economy which may offset some potential economic costs and thereby be seen more favourably in times of economic austerity

08-02 "Ecological Macroeconomics: Consumption, Investment, and Climate Change"

The challenge of reducing global carbon emissions by 50-85 per cent by the year 2050, which is suggested by the Intergovernmental Panel on Climate Change (2007a) as a target compatible with limiting the risk of a more-than-2ºC temperature increase, clearly conflicts with existing patterns of economic growth, which are heavily dependent on increased use of fossil fuel energy. While it is theoretically possible to conceive of economic growth being “delinked” from fossil fuel consumption, any such delinking would represent a drastic change from economic patterns of the last 150 years. Current macroeconomic theory is heavily oriented towards an assumption of continuous, exponential growth in GDP. The historical record shows GDP growth is strongly correlated with a parallel record of increasing fossil energy use and CO2 emissions. A path of reduced carbon emissions would require major modifications in economic growth patterns. Climate change is part of an inter-related group of environmental issues associated with growth limits. These include population growth, agricultural production, water supplies, and species loss. To achieve a low-carbon path requires population stabilization, limited consumption, and major investments in environmental protection and social priorities such as public health, nutrition, and education. Macroeconomic theory must be adapted to reflect these new realities. A reclassification of macroeconomic aggregates is proposed to distinguish between those categories of goods and services that can expand over time, and those that must be limited to reduce carbon emissions. This reformulation makes it clear that there are many possibilities for environmentally beneficial economic expansion. New forms of Keynesian policy oriented towards ecological sustainability, provision of basic social needs such as education and health care, and distributional equity can provide a basis for a rapid reduction in carbon emissions while promoting investment in human and natural capital.

The Missing Shock: The Macroeconomic Impact of British Privatisation

The privatisation policy pursued in the UK by Mrs Thatcher's government (1979-1990) and subsequently by Mr Major's government (1990-1997) was the largest experiment in public divestitures among capitalist economies. It had a deep impact on economic policy-making world wide, and was vastly imitated, in Western Europe, in the former planned economies, in a number of less developed countries. In this paper we test the impact of privatisation on macroeconomic performance in the United Kingdom using quarterly data from 1979 to 1999. In the econometric model, we use privatisation proceeds as an explanatory variable and we control for several other variables. Testing for cointegration the results show that there is a long run equilibrium relationship between GDP growth and the variables used in the model. However, in our empirical analysis we find a weak evidence that privatisation generated an aggregate shock on output in the UK. This result is consistent with empirical literature on microeconomic evidence that shows that in the UK ownership change per se had little impact on long term productivity trends.Corporate governance, Privatization, Transition, Ownership structure