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Post n°274

The challenges of climate modelling for central banks

Published on 06/17/2022

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By Stéphane Dees, Jean-François Ouvrard and Pierre-François Weber

Modelling is a key element in the Eurosystem's climate change action plan. Macroeconomic analysis and the preparation of monetary policy decisions are based on quantitative work in which models play a central role.

Chart 1: Economic impacts of climate change
Chart 1: Economic impacts of climate change Source : Authors’ analysis
Updated on 06/17/2022 08:52
Post n°273

Better Land-Use and Insurance to Mitigate Natural Disasters

Published on 06/10/2022

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By Céline Grislain-Letrémy  and Bertrand Villeneuve (Université Paris-Dauphine)

The rising costs of natural disasters over the last decades are largely explained by urbanisation in exposed areas. Land-use and insurance policies can limit this urbanisation. Simple frequently-observed policies, with prohibited red zones and zones without insurance tariff differentiation, are relatively efficient. It is critical that red zones be redefined to reflect changes in climate risks or population developments.

Chart 1: New Orleans
Chart 1: New Orleans Source: pixabay.com
Updated on 06/14/2022 10:33
Post n°272

Quality and Diversity of Research: a Ranking of Academic Journals

Published on 06/03/2022

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By Jean Barthélemy, Vincent Bignon, Régis Breton, Juan Carluccio and Gilbert Cette

In order to assess the quality of its research output, the Banque de France has constructed its own ranking of academic journals in economics and finance. The objective is to encourage the production of research on issues relevant to the Banque de France. This post explains the ten principles underlying the construction of this ranking.

Chart 1: Evolution of the number of authors of academic papers affiliated with one of the Eurosystem central banks on the REPEC website
Chart 1: Evolution of the number of authors of academic papers affiliated with one of the Eurosystem central banks on the REPEC website Source: Authors' calculations based on central bank ranking data from the REPEC website
Updated on 06/03/2022 08:36
Post n°271

The real effects of bank runs: France in 1930 and 1931

Published on 05/25/2022

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Eric Monnet, Angelo Riva and Stefano Ungaro

During the Great Depression, bank runs in France were characterised by a flight from banks to savings institutions, which were perceived as safer. Here, we identify and quantify the effects of these bank runs and analyse the conditions that led them to deepen the economic crisis.

Chart 1: Total deposits in banks and savings institutions, 1920-36
Chart 1: Total deposits in banks and savings institutions, 1920-36 Source : Baubeau, Monnet, Riva et Ungaro (2021)
Updated on 05/25/2022 09:02
Post n°270

The war in Ukraine is strengthening market interconnections

Published on 05/16/2022

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By Tristan Jourde

The Russian invasion of Ukraine led to a change in the structure of interconnections between financial markets. While the contagion effects have remained limited overall, the war has brought about new negative correlations between certain commodity indices (aluminium, oil, gold, silver, wheat) on the one hand, and equity markets, particularly in Europe, on the other.

Chart 1: Interconnections prior to the war in Ukraine Source: Refinitiv Datastream; author’s calculations. ISO codes : Australia (AUS), Canada (CAN), France (FRA), Germany (DEU), Italy (ITA), Japan (JPN), Netherlands (NLD), United Kingdom (GBR), United States (USA).
Updated on 05/18/2022 10:22
Post n°269

Negotiated wage rises for 2022: the results so far

Published on 05/13/2022

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By Erwan Gautier

So far in 2022, industry-level wage bargaining has generally resulted in wage increases of around 3% compared with rises of close to 1% in recent years. Inflation, which has been higher since the end of 2021, and the recent hike in the national minimum wage (NMW) are contributing to this stronger growth in negotiated wages.

Chart 1: Change in negotiated wages, the NMW and inflation (year-on-year % change)
Chart 1: Change in negotiated wages, the NMW and inflation (year-on-year % change) Source : INSEE (consumer price index – all households, and NMW), Banque de France (300 national, regional and departmental industries – private sector – wage floors).
Updated on 05/16/2022 11:54
Post n°268

How much have rising transport costs affected US import prices?

Published on 05/11/2022

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By Sebastian Stumpner

This blog post examines to what extent the recent surge in international transport costs has fuelled US import price inflation. While we find a moderate effect at the aggregate level, there are significant differences across products that are largely driven by the degree of containerisation.

Chart 1: The share of transport costs has increased only for containerised goods
Chart 1: The share of transport costs has increased only for containerised goods Source: Author’s calculations based on data from TradeDataMonitor.
Updated on 05/11/2022 18:19
Post n°267

Consumption inequality in the digital age

Published on 04/28/2022

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By Kai Arvai and Katja Mann

Rich households consume digital goods more intensively than poor households. As digitalisation makes some goods and services cheaper, higher-income households benefit more. Using US household data, this blog argues that the relative price effect of digitalisation is sizeable and amplifies the effects that digitalisation has on income inequality.

Chart 1: ICT intensity of consumption basket along the income distribution in the US
Chart 1: ICT intensity of consumption basket along the income distribution in the US Source: Arvai and Mann (2021) Note: The graph shows the share of information and communication technology (ICT) in the consumption basket by income percentile for different sub-periods.
Updated on 04/28/2022 09:14
Post n°266

AI and banks’ own funds: a new determination?

Published on 04/20/2022

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By Hyacinthe Buisson, Henri Fraisse and Matthias Laporte

The increasing use of artificial intelligence (AI) or machine learning (ML) techniques could allow banks to develop new credit risk models. These techniques could lead to substantial reductions in capital requirements. However, the opaque nature of these algorithms and the governance challenges they raise might make their adoption less attractive.

Chart 1: Neural network models could lead to substantial reductions in capital requirements
Chart 1: Neural network models could lead to substantial reductions in capital requirements Source: Fraisse and Laporte (2022) forthcoming in the Journal of Banking and Finance.
Updated on 04/20/2022 10:02
Post n°265

Climate change and implications for the conduct of monetary policy

Published on 04/01/2022

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By Stéphane Dees, Jean-François Ouvrard and Pierre-François Weber

Macroeconomic and financial market disruptions linked to climate change and transition policies could affect the conduct of monetary policy. Climate risks could impair the monetary policy transmission channel, limit the monetary policy space for conventional tools and complicate the assessment of the monetary policy stance.

Chart 1: Inflation-output growth trade-off under a disorderly transition scenario
Chart 1: Inflation-output growth trade-off under a disorderly transition scenario Source: European Central Bank (ECB) calculations
Updated on 04/01/2022 16:48
Post n°264

European Union debt, a new benchmark asset?

Published on 03/28/2022

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By Léa Le Quéau, Agathe Madeline and Paul Sabalot

The European Union is going to issue close to EUR 800 billion of debt to finance the NextGenerationEU recovery plan, making it one of the largest public debt issuers in the euro area. European debt has some key advantages that would make it ideal as a benchmark asset. However, it still needs to reach the critical mass required to ensure a sufficiently liquid secondary market.

Chart 1: NGEU debt yields are comparable to those of the highest rated euro area issuers Source: Authors’ calculations using Bloomberg data and median of Moody’s, S&P and Fitch ratings (data as at 18/03/2022).
Updated on 03/29/2022 10:38
Post n°263

Sanctions against Russia: the role of SWIFT

Published on 03/22/2022

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By Mathieu Gex, Marie-Aline Vives

In response to Russia’s military invasion of Ukraine, the Council of the European Union has adopted a series of restrictive economic and financial measures, including the exclusion of seven Russian and three Belarusian banks from the SWIFT global financial messaging system. This blog post explains the key role SWIFT plays in the international financial ecosystem.

Chart 1. Increase in daily SWIFT traffic over the last three years (in millions of messages)
Chart 1. Increase in daily SWIFT traffic over the last three years (in millions of messages) Source: SWIFT.
Updated on 03/22/2022 13:17

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