We present online-experimental evidence that challenges the generalizability of established results on subsidizing giving by considering a "quantity donation" scheme. We define this scheme as one in which donors choose how many units of a charitable good to fund, rather than the amount of money...

This paper provides an empirical analysis of the effectiveness of tax subsidies implemented by the German government as a measure to combat evasion of taxes on services purchased by private households. Based on a theoretical analysis of the choice between formal and informal provision of...