Physical Climate Change and the Sovereign Risk of Emerging Economies
Hannes Böhm
Journal of Economic Structures,
2022
Abstract
I show that rising temperatures can detrimentally affect the sovereign creditworthiness of emerging economies. To this end, I collect long-term monthly temperature data of 54 emerging markets. I calculate a country’s temperature deviation from its historical average, which approximates present-day climate change trends. Running regressions from 1994m1 to 2018m12, I find that higher temperature anomalies lower sovereign bond performances (i.e., increase sovereign risk) significantly for countries that are warmer on average and have lower seasonality. The estimated magnitudes suggest that affected countries likely face significant increases in their sovereign borrowing costs if temperatures continue to rise due to climate change. However, results indicate that stronger institutions can make a country more resilient towards temperature shocks, which holds independent of a country’s climate.
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30.11.2022 • 28/2022
Stricter rules for banks can relieve real estate markets
Exuberant price levels in the German real estate market could further exacerbate an economic crisis. Fiscal instruments exert too little influence to contain this danger, shows a study by the Halle Institute for Economic Research (IWH).
Michael Koetter
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Real Estate Transaction Taxes and Credit Supply
Michael Koetter, Philipp Marek, Antonios Mavropoulos
IWH Discussion Papers,
No. 26,
2022
Abstract
We exploit staggered real estate transaction tax (RETT) hikes across German states to identify the effect of house price changes on mortgage credit supply. Based on approximately 33 million real estate online listings, we construct a quarterly hedonic house price index (HPI) between 2008:q1 and 2017:q4, which we instrument with state-specific RETT changes to isolate the effect on mortgage credit supply by all local German banks. First, a RETT hike by one percentage point reduces HPI by 1.2%. This effect is driven by listings in rural regions. Second, a 1% contraction of HPI induced by an increase in the RETT leads to a 1.4% decline in mortgage lending. This transmission of fiscal policy to mortgage credit supply is effective across almost the entire bank capitalization distribution.
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29.09.2022 • 24/2022
The East German economy expanded strongly in the first half of 2022, but falls into recession in the second half of the year ‒ Implications of the Joint Economic Forecast Autumn 2022 and of Länder data from recent publications of the Statistical Office
The energy crisis is pushing the German economy into recession. This also affects the economy in East Germany. According to the Halle Institute for Economic Research (IWH), East German production will expand at a slightly stronger rate of 1.5% than in Germany as a whole. For the coming year, the decline in East Germany is expected to be less pronounced than in the west at 0.1% (Germany: ‒0.4%). For 2024, the economists forecast a growth of 1.7% (Germany: 1.9%).
Oliver Holtemöller
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29.09.2022 • 23/2022
Joint Economic Forecast 2/2022: Energy crisis: inflation, recession, welfare loss
The crisis on the gas markets is having a severe impact on the German economy. Soaring gas prices are drastically increasing energy costs, leading to a massive reduction of the purchasing power. Despite a decline in the second half of the year, gross domestic product is expected to expand by 1.4% this year. For the coming year, the institutes expect a contraction by 0.4%, followed by an increase of 1.9% in 2024.
Oliver Holtemöller
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08.09.2022 • 22/2022
Energy crisis in Germany
Dwindling gas supplies from Russia and soaring prices for gas and electricity are leading to massive real income losses and a recession in Europe and Germany. The Halle Institute for Economic Research (IWH) forecasts that German gross domestic product (GDP) will increase by 1.1% in 2022 and decrease by 1.4% in 2023. Consumer prices are expected to rise by 7.9% in 2022 and 9.5% in 2023.
Oliver Holtemöller
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17.08.2022 • 19/2022
Labour mobility is part of structural change
The coal phase-out will also change the affected regions in that part of the workforce will migrate. Politicians should take this process into account in structural policy, because it cannot be completely prevented. A study published by the Halle Institute for Economic Research (IWH) illustrates this with a historical example.
Oliver Holtemöller
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Epidemics in the New Keynesian Model
Martin S. Eichenbaum, Sergio Rebelo, Mathias Trabandt
Journal of Economic Dynamics and Control,
July
2022
Abstract
This paper documents the behavior of key macro aggregates in the wake of the Covid epidemic. We show that a unique feature of the Covid recession is that the peak-to-trough decline is roughly the same for consumption, investment, and output. In contrast to the 2008 recession, there was only a short-lived rise in financial stress that quickly subsided. Finally, there was mild deflation between the peak and the trough of the Covid recession. We argue that a New Keynesian model that explicitly incorporates epidemic dynamics captures these qualitative features of the Covid recession. A key feature of the model is that Covid acts like a negative shock to the demand for consumption and the supply of labor.
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01.06.2022 • 12/2022
IWH welcomes top international researcher as head of new department
A powerful boost for the Halle Institute for Economic Research (IWH): Merih Sevilir, a world-renowned researcher on the interplay of financial and labour markets, is heading the Institute’s newest department as of today. Her expertise strengthens the unique selling points of the institute and can be expected to generate significant opportunities for policy insights.
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The Macroeconomics of Testing and Quarantining
Martin S. Eichenbaum, Sergio Rebelo, Mathias Trabandt
Journal of Economic Dynamics and Control,
May
2022
Abstract
We develop a SIR-based macroeconomic model to study the impact of testing/ quarantining and social distancing/mask use on health and economic outcomes. These policies can dramatically reduce the costs of an epidemic. Absent testing/quarantining, the main effect of social distancing and mask use on health outcomes is to delay, rather than reduce, epidemic-related deaths. Social distancing and mask use reduce the severity of the epidemic-related recession but prolong its duration. There is an important synergy between social distancing and mask use and testing/quarantining. Social distancing and mask use buy time for testing and quarantining to come to the rescue. The benefits of testing/quarantining are even larger when people can get reinfected, either because the virus mutates or immunity is temporary.
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