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26.03.2024 • 9/2024

Inflationssorgen wirken sich negativ auf nachhaltiges Konsumverhalten aus

Studie untersuchte Einflussfaktoren für den Kauf umweltfreundlicher Produkte

Sabrina Jeworrek
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Inflation Concerns and Green Product Consumption: Evidence from a Nationwide Survey and a Framed Field Experiment

Sabrina Jeworrek, Lena Tonzer
IWH Discussion Papers, No. 10, 2024
Abstract
Promoting green product consumption is one important element in building a sustainable society. Yet green products are usually more costly. In times of high inflation, not only budget constraints but also the fear that prices will continue to rise might dampen green product consumption and, hence, limit the effectiveness of exerted efforts to promote sustainable behaviors. To test this suggestion, we conducted a Germany-wide survey with almost 1,200 respondents, followed by a framed field experiment (N=500) to confirm causality. In the survey, respondents’ stated “green” purchasing behavior is, as to be expected, positively correlated with concerns about climate change. It is also negatively correlated with concerns about future inflation and energy costs, but after controlling for observable characteristics such as income and educational level only the correlation with concerns about future prices remains significant. This result is driven by individuals with below-median environmental attitude. In the framed field experiment, we use the priming method to manipulate the saliency of inflation concerns. Whereas sizably relaxing the budget constraint (i.e., by 50 percent) has no impact on the share of organic products in participants’ baskets, the priming significantly decreases the share of organic products for individuals with below-median environmental attitude, similar to the survey data.
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12.03.2024 • 8/2024

Risk in the banking sector: four out of ten top supervisors come from the financial industry

Europe's banks realise excess returns on the stock market when their alumni join the boards of national supervisory authorities. A study by the Halle Institute for Economic Research (IWH) shows that this happens more frequently than previously recognised. The findings indicate a risk to financial stability and call for a more merit-based, transparent appointment of senior regulators.

Michael Koetter
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DPE Course Programme Archive

DPE Course Programme Archive 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2025 Microeconomics several lecturers winter term 2024/2025 (IWH) Econometrics…

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IWH European Real Estate Index

IWH European Real Estate Index (EREI) The IWH European Real Estate Index is a new dataset that illustrates developments in the European real estate market. Besides quoted…

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IWH Treuhand Database

IWH Treuhand Privatisation Micro Database The IWH Treuhand Micro Database is a new data set that illustrates the privatisation of East German companies in the first half of the…

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IWH Construction Survey

IWH Construction Survey From 1993 until the first quarter of 2017, the IWH conducted regular surveys among companies. The results of these surveys could be used to promptly…

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A Multi-Model Assessment of Inequality and Climate Change

Marie Young-Brun, et al.
Research Square, 2024
Abstract

Climate change and inequality are critical and interrelated defining issues for this century. Despite growing empirical evidence on the economic incidence of climate policies and impacts, mainstream model-based assessments are often silent on the interplay between climate change and economic inequality. For example, all the major model comparisons reviewed in IPCC neglect within-country inequalities. Here we fill this gap by presenting a model ensemble of eight large-scale Integrated Assessment Models belonging to different model paradigms and featuring economic heterogeneity. We study the distributional implications of Paris-aligned climate target of 1.5 degree and include different carbon revenue redistribution schemes. Moreover, we account for the economic inequalities resulting from residual and avoided climate impacts. We find that price-based climate policies without compensatory measures increase economic inequality in most countries and across models. However, revenue redistribution through equal per-capita transfers can offset this effect, leading to on average decrease in the Gini index by almost two points. When climate benefits are included, inequality is further reduced, but only in the long term. Around mid-century, the combination of dried-up carbon revenues and yet limited climate benefits leads to higher inequality under the Paris target than in the Reference scenario, indicating the need for further policy measures in the medium term.

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IWH EXplore

IWH EXplore Competitive Funding for Research Projects with External Involvement at IWH IWH EXplore gives scientists the opportunity to acquire supplemental funding, in addition to…

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19.12.2023 • 31/2023

IWH-Tarif-Check: Keine realen Netto-Tariflohnzuwächse für Beschäftigte im öffentlichen Dienst der Länder

„Inflationsausgleichszahlung“ und Tariflohnsteigerungen dürften Verbraucherpreisinflation nur knapp ausgleichen. Die Tarifvertragsparteien des öffentlichen Dienstes der Länder haben sich vor kurzem auf einen neuen Tariflohnabschluss geeinigt: Es wurde vereinbart, dass Einmalzahlungen von insgesamt 3 000 Euro in elf Monatsbeträgen abgabenfrei als so genannte Inflationsausgleichsprämie gezahlt werden. Bereits im Dezember 2023 soll ein Teilbetrag in Höhe von 1 800 Euro ausgezahlt werden, von Januar bis einschließlich Oktober gibt es monatlich jeweils 120 Euro. Die regulären Tabellenentgelte erhöhen sich währenddessen nicht. Erst ab November 2024, wenn die Inflationsausgleichszahlung wegfällt, gibt es eine Stufenerhöhung über 200 Euro für alle Beschäftigten. Auf diese setzt ab Februar 2025 dann eine reguläre prozentuale Erhöhung von 5,5% auf. Der Tarifvertrag läuft bis Ende Oktober 2025.

Oliver Holtemöller
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