Reputation systems that rely on feedback from traders are important institutions for helping sustain trust in markets, while feedback information is usually considered a public good. We apply both theoretical models and experiments to study how raters' feedback behavior responds to different...

The paper presents the concept of an "imitation equilibrium" and explores it in the context of some simple oligopoly models. The concept applies to normal form games enriched by a "reference structure" specifying a "reference group" for every player. The reference group is a set of other...

People’s attachment to a subsidy creates difficulties for the government to phase out, and eventually eliminate, the subsidy. Elimination of fuel subsidy scheme in Indonesia is a perfect example of such occurrence. The subsidy has been implementing to commodity as opposed to households, thus...