The possible short-run trade-off between the inflation (gap) and the output (gap) remains a critical policy issue for any emerging economy; particularly when an implicit or an explicit inflation targeting monetary policy is considered. The New Keynesian Phillips Curve (NKPC) has recently set up...

We develop an endogenous growth model with three goods, exportable, importable and non-tradable. We study the response of the real exchange rate and of the economy growth rate to a decrease in the tariff rate. We show that trade liberalization must be followed by a depreciation of the real...

This paper quantifies the welfare cost of consumption externalities in an endogenous growth model with habit formation. Agent’s utility depends on both current consumption and a reference consumption level determined by economy-wide average past consumption. Although utility may be lower in...

We introduce social capital accumulation into a neoclassical model, showing how it differs from physical and human capital accumulation. We take the view that social capital is crucial to the enjoyment of socially provided goods and that it is mainly accumulated by means of participation to...

This paper analyses recycling of waste and downgrading of secondary resources using a classical type of production model represented by a Sraffian model. Residuals emitted as waste by households and secondary resources obtained by recycling of waste are negatively or positively priced, depending...

This paper presents a study of Artificial Neural Network (ANN) and Bayesian Network (BN) for use in stock index prediction. The data from Nigerian Stock Exchange (NSE) market are applied as a case study. Based on the rescaled range analysis, the neural network was used to capture the...

In this paper we analyze empirically different specifications of a sample selection model. We are interested in how the estimates vary across alternative assumptions concerning the joint conditional distribution of the sample selection equation errors, such us the specification of error...

Die Krisen der letzten Jahre haben in Europa die Jugendarbeitslosigkeit kräftig ansteigen lassen, was das schon seit langer Zeit bestehende Phänomen der weit über dem Durchschnitt liegenden Arbeitslosigkeit der Jugendlichen deutlicher hervortreten lässt. In manchen Ländern erreichte die...