The classical theory about foreign exchange rate explains its fluctuations as the resulting of a random walk motion. In this paper, such a theory is put into question by performing Brock, Dechert and Scheinkman's (1987) test on the Austrian Schilling - US Dollars exchange rate for the period...

We propose a new time series model aimed at forecasting crude oil prices. The proposed specification is an unobserved components model with an asymmetric cyclical component. The asymmetric cycle is defined as a sine-cosine wave where the frequency of the cycle depends on past oil price...

We study empirically how various labor market institutions – (i) union density, (ii) unemployment benefit remuneration, and (iii) employment protection – shape fiscal multipliers and output volatility. Our theoretical model highlights that more stringent labor market institutions attenuate...

Optimal Economic Growth with an Environmental Constraint: The Problem of Optimal Endogenous Growth with Exhaustible Resources Revisited -- Optimal Pollution, Optimal Population, and Sustainability -- Optimal Proportions in Growth Trends of Resource Productivity -- Biodiversity, Abatement and...