This paper tries to find an economic explanation to the fact that vaccines for death-causing diseases such as AIDS, malaria and tubersulosis, have not been discovered yet.

This paper tests two hypotheses for the overbidding behavior of the banks in the fixed rate tenders conducted by the European Central Bank (ECB) from January 1999 until June 2000. One hypothesis attributes the overbidding to the expectations of a future tightening of monetary policy, while the...

This paper tests a traditional model of asset pricing, the CCAPM (Consumption Capital Asset Pricing Model), using data from the Spanish stock market. A generalized calibration method is used to test this model. This method allows us to judge the degree of correspondance between the population...

This paper aims to study if imperfections in the labor market justify a fiscal policy where public spending, labor income tax rates and debt are set to stabilize output. We present a dynamic general equilibrium model and solve for the optimal policy considering two different labor market setups....

This paper presents a two-party model in which partisan and opportunistic politicians have two options: (i) to reach an agreement with respect to the central banker before elections are held, which leads to elections becoming a toss up, or (ii) to let the citizens vote for their proposed central...

Unit roots in output, an exponential 2% rate of convergence and no change in the underlying dynamics of output seem to be three stylized facts that can not go together. This paper extends the Solow-Swan growth model allowing for cross-sectional heterogeneity. In this framework, aggregate shocks...

This paper presents a model of a bank subject to liquidity shocks that require borrowing from a lender of last resort. Two government agencies with different objectives may perform this function: a central bank and a deposit insurance corporation. Both agencies supervise the bank, i.e. collect...