CO2-tax on GHG emissions related to agriculture

Background and Objective

The Federal Government of Germany has set ambitious greenhouse gas (GHG) emissions reduction goals. From the scientific point of view, the carbon (or CO₂-eq.) pricing is the most favored measure to reduce GHG emissions. Such pricing would have the best effect if it would be introduced worldwide and for all kinds of GHG emissions. The EU Emission Trading Scheme (ETS) is the key pillar of the European climate policy. Its intention is a price setting on GHG emissions within the energy and industry sectors. However, more than half of the GHG emissions come from sectors which are not covered by the EU ETS, including emissions from agriculture.

The aim of this study is to quantify the effects of the introduction of CO₂-tax on greenhouse gas emissions related to agriculture.

Approach

The study starts with an overview of the GHG emissions which occur as a result of agricultural production. In doing so, we will show that the total amount of GHG emissions related to agriculture as well as their regional distribution vary depending on the accounting method applied. After disclosing the main sources of GHG emissions related to agriculture, we focus on policy initiatives for the reduction of GHG emissions, already implemented or planned. The first two working steps form the basis for the conception of the model scenarios which have to be analyzed.  

Data and Methods

For simulation calculations the general equilibrium model MAGNET (Modular Applied GeNeral Equilibrium Tool) is used.

Our Research Questions

• Which impact would the implementation of a CO₂-tax on GHG emissions related to agriculture in the EU or Germany have?
• To what extent could GHG emissions related to agriculture be reduced, nationally and globally, by the introduction of a CO₂ tax in the EU or in Germany?
• Which trade effects will be expected?
• Which kind of intervention – on the producer or the consumer side - should be preferred?

Results

The results of the project are published in the series of the Landwirtschaftliche Rentenbank, available at:

Band 35: Herausforderung Klimawandel: Auswirkungen auf die Landwirtschaft und Anpassungsstrategien, 2019

Vortrag_Sturm_Banse_2019_CO2_Steuer

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