Notwithstanding the numerous applications of fuzzy logic in several fields of economics, it is surprising that, to the best of our knowledge, so very few applications have been made in modelling approximations of subjective economic variables, such as confidence, satisfaction or even...

The progressive deterioration of public finances in most developed countries, during the last two decades, prompted an extensive discussion on the effects of government deficits on the interest rate and, consequently, on employment and economic growth. The empirical literature, largely focused...