Estimating covariance matrices is an important part of portfolio selection, risk management, and asset pricing. This paper reviews the recent development in estimating high dimensional covariance matrices, where the number of variables can be greater than the number of observations. The...

Se reseñan los ciclos electorales en el producto (political business cycles) que son generados por políticos oportunistas que quieren ganar elecciones vía la manipulación de la política monetaria. El hilo argumental arranca con la contribución original de Nordhaus (1975), con agentes...

According to Robert Fogel (1994a, 1994b), nutrition is the driving force for the increase in health human capital, which in turn has significantly promoted economic growth in the long run. In this paper, we take Fogel¡¯s finding to extend the standard Ramsey model by including the effect of...

This paper extends the Barro (1990) model with single aggregate government spending and one flat income tax to include public expenditures and taxes by multiple levels of government. It derives the rate of endogenous growth and, with both simulations and special examples, examines how that rate...

Governance risks stem from the own governance of any organization. The paper puts forward an operational viewpoint of those risks, by mapping the most distinctive categories of governance analysis onto time-dependent governance variables. Afterwards, risks conveyed by the latter are measured...

In this paper we do a couple of things: discussing a way to measure the welfare cost of country risk, and measuring it for Argentina in the period 1875-2006. There are two conclusions: a) the welfare cost of Argentine risk has been huge: for example, in the period 1976-2006 it was around 20% of...

El Barón de Hirsch desaprobaba la caridad tradicional con su énfasis en la distribución de limosnas como un medio de brindar alivio. Estaba convencido que podría asegurar el futuro de los judíos de Rusia proveyéndoles la oportunidad de volverse autosuficientes a través del trabajo...

La globalización es un término en boga que se utiliza para explicar el reciente acercamiento económico y social producido entre los habitantes de naciones distantes. A pesar que la palabra fue acuñada hace unas décadas atrás, este concepto es antiguo. Los países a lo largo de diferentes...

This paper puts forward an innovative construct called the Statute of Governance, by which a company can foster and enhance its corporate governance. The paper argues that it is not enough to list some principles of governance and a set of related good practices, as the Australian Stock Exchange...

We incorporate semiotics into economic theory, modeling communication with an encoding-decoding step where the sender transmits a message that the receiver can understand if and only if a common natural language is used. We add an inferential step where the receiver may either believe the...