Verfasser → S

• Cash, hoarding and the underground economy Pickhardt, Michael ; Sardà Pons, Jordi March 2012, Münster, 2012

• The size of the underground economy in Germany a correction of the record and new evidence from the Modified-Cash-Deposit-Ratio approach Pickhardt, Michael ; Sardà Pons, Jordi July 2010, Münster, 2010