Highlights
Climate Change, Financial Stability and Monetary Policy
Dafermos, Nikolaidi and Giorgios article on “Climate Change, Financial Stability and Monetary Policy” analyses climate change’s impact on financial stability and the structure of the financial system. The report links the physical and monetary evolution of climate changes issues, identifying that the ‘business as usual approach’ will destroy the price of financial assets, default firms and decimate the global financial system. The article recognises the risks of transition to a low-carbon economy as carbon-intensive assets are revalued, acknowledging the impact that this will have on financial accounts while considering the impact of slow transitions, escalating the climate induced damage.
The development of an ecological macroeconomic model, DEFINE (Dynamic Ecosystem-Finance Economy) model, in this report covers the potential for loss of firm profitability, debt defaults, and systemic banking losses, estimated through the available global data and simulations. The study of this model leads to understanding of the vulnerability of financial structures in the face of climate uncertainty, the analysis of the multiple financial asset portfolio framework, linking the different financial assets and the impact of a rapid sale of financial assets on employment, economic growth and availability of credit. The article articulates the model’s calibre to understand the feedback economic effects of bank losses and asset price’s decline perpetuating climate-caused instability. The introduction of green monetary policy initiatives, the global green quantitative easing programme. These key topics discussed by Dafermos, Nikolaidi and Giorgios provide analysis of climate change and its fundamental uncertainty, illustrating it’s intensifying of financial instability, while investigating the role of green corporate bonds in increasing the relevance of green projects.
The article seeks to outline the mounting financial pressures triggered climate change through the DEFINE model, breaking down the relationship between the inflows and outflows of energy, transactions, and the balance sheets of the financial system. The inclusion of the central banks in this model was an essential component that built on previous models from Dietz et al. (2016). The model articulates the results of climate change with the degradation of firm capital, profitability, and liquidity throughout the financial system. By understanding the macroeconomic implications this article associates the long-run growth of the economy with the health of the surrounding environment and its importance to financial stability.
The reallocation of portfolios as climate changes damages triggers a decline in conventional bonds. The analysis by the model exemplifies that the effects of climate change on financial stability will be qualitatively similar, despite the parameter values affecting the severity and time frame for the climate-induced instability. The variables in the model are summarised as consumption and investment demand, household bond demand, labour-determined potential output, and capital-determined potential output. The variables are disrupted by climate damage, with profitability of firms also being directly impacted by climate damage.
The discussion of the physical effect of climate disasters on firm output determination is seen in two ways. Households and firms develop a pessimistic outlook, as the fear of climate disasters discourages investment in capital and fear of health problems. In addition, it can increase savings, reducing overall demand, with both issues contributing to losses in investment and consumption. The model establishes the connection between the household’s investment portfolio choices and the increased firm investment in environmental project, the potential to reduce the severity of the inevitable climate impact. The inclusion of central banks in the model highlighted the role of monetary policy in maintaining a level of financial stability through climate change, however as stated earlier the level of financial instability will increase. The authors analysed liquidity of commercial banks, the interest rate and government securities and bonds, introducing the green quantitative easing programme creating a more long-term commitment to financial stability. The ‘Green bonds’ are funds raised for existing or new projects that will drive environmental benefits. Corporate green bonds have been found to be a powerful tool in climate finance (Flammer, 2018) providing a long run outlook for investors, firms and governments.
The calibration of the model estimates that the yield of green bonds improves, the demand outstripping the supply (seen, Climate Bonds Initiative, 2017). As the drive for the bonds goes up, the price follows, allowing for green projects to borrow money at a lower cost, incentivising sustainability creating a new pattern of business. The article highlights that this new economic paradigm may result in transition risks as stated earlier as the fundamental socio-economic shift results in financial booms and busts of industries (Perez, C 2010). The extent of this shifts impact and the movement to a more efficient economy are not detailed extensively in the article and are left to be explored in future research.
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