We consider a general equilibrium model where groups operating in a competitive market environment can have several members and make efficient collective consumption decisions. Individuals have the option to leave the group and make it on their own or join another group. We study the effect of...

This paper utilizes an otherwise standard micro-founded general-equilibrium setup, which is augmented with a revenue-extraction mechanism to assess the magnitude of VAT evasion. The model is calibrated to Bulgaria after the introduction of the currency board (1999-2014), as one of the very few...

The article presents a historical review of the literature related to the empirical problem of excessive risk premium. The risk premium (the difference between the return on equities and risk-free rate) observed in financial markets cannot be reconciled with theoretical models of financial...

We study the incidence and the optimal design of nonlinear income taxes in a Mirrleesian economy with a continuum of endogenous wages. We characterize analytically the incidence of any tax reform by showing that one can mathematically formalize this problem as an integral equation. For a CES...

This paper explores the effects of fiscal policy in an economy based on indirect taxes, and in the presence of VAT evasion channel. In addition, the government is taxing all income at the same rate. The focus of the paper to compare and contrast two regimes - the exogenous (observed) vs. optimal...

The purpose of the presentation is to analyze the labor market effects of a congestion charge when commuters have continuously distributed value of time. Since a congestion charge raises the cost of commuting to work, it can decrease employment at the extensive margin in a similar way as an...