This dissertation analyzes the role of money in three distinct environments based on two different modelling approaches. In two chapters, anonymous bilateral meetings create a need for a medium of payment that allows to keep track of consumption expenditures, and in one chapter, taxes must be...

Recent debate on the effectiveness of tax rebates has concentrated on the degree to which they can affect economic activity, which depends on the methodology, the state of the economy, and the underlying assumptions. A better approach to assess the effectiveness of these monetary transfers is by...