We analyze the relationship between the underground (or shadow) economy and the formal or legal sector in the presence of corruption in both sectors. Firms choose between operating in the legal and in the underground economy. With morally heterogeneous law enforcement agents monitoring the...

We analyse the optimality of information revelation of hidden attributes of “credence goods” via alternative labelling procedures. When consumers are heterogeneous in their willingness to pay for the hidden attribute, producers can either self-label their products, or have them certified by...