In this paper we consider a model where a risk-neutral principal devises a contract for a risk neutral agent who can exert effort along different dimensions. On the top of that the agent possesses multidimensional private information about her cost of effort. We show that as long as effort is...

In this paper we revisit the first price and the second price sealed-bid auctions, but, unlike the standard model, we assume that bidding is conducted by an expert on behalf of the client, and that the client does not completely trust the expert's qualifications. In particular, if the client...

Casual empiricism suggests higher quality is associated with greater variety. However, recent theoretical and empirical research has either not considered this link, or has been unable to establish unambiguous predictions about the relationship between quality and variety. In this paper we...

In this paper we consider a model where a risk-neutral principal devises a contract for a risk neutral agent who can exert effort along different dimensions and possesses private information about her cost of effort. We show that when the number of effort dimensions exceeds the number of...

Casual empiricism suggests higher quality is associated with greater variety. However, recent theoretical and empirical research has either not considered this link, or has been unable to establish unambiguous predictions about the relationship between quality and variety. In this paper we...