Germany’s planned financial transaction tax may yield as much as 11.2 billion euros ($14.2 billion) in annual revenue for the government, Der Spiegel reported, citing a study by the DIW economic research institute commissioned by the Social Democratic parliamentary bloc.

German Finance Minister Wolfgang Schaeuble has budgeted 2 billion euros in revenue from the planned levy per year, the magazine said.

To contact the reporter on this story: Cornelius Rahn in Frankfurt at crahn2@bloomberg.net

To contact the editor responsible for this story: Kenneth Wong at kwong11@bloomberg.net