This study analyses the effects of public and private investment on Portuguese GDP in the period 1960-2013. After a brief review of the literature based on works developed primarily in the context of VAR analyses, such as those by Pereira and Andraz (2005), and Afonso and St Aubyn (2008), an...

Parameter uncertainty has been a recurrent subject treated in the financial literature. The normative portfolio selection approach considers two main kinds of decision rules: expected expected utility maximization and mean-variance criterion. Assuming that the mean-variance criterion is a good...

It is well known and widely accepted by economists that the characteristics of the European countries that become the Eurozone in 1999 did not match the requirements of an Optimum Currency Area (OCA). The only criteria for membership of the new area were nominal. A strict level of convergence in...

This work uses a simultaneous equation system approach to analyze the relationship between the Management and Business Quality of companies and their market Price Quality. Using panel data we found that both the Management and the Business Quality of companies positively influence the Market...

The aim of this paper is to analyze the impact of the Chinese foreign exchange policy on foreign trade with the European Union. After describing the importance of the exchange rate in an open economy and some of the methodologies employed to calculate its equilibrium value, we examine whether...

This paper examines the presence of political cycles inside the Portuguese governments’ aggregate expenditures by using annual data for 10 expenditure components. The results indicate that the choice of the expenditure components to be increased during election periods by Portuguese...

This paper proposes a new way to measure and deal with risk within the portfolio selection problem using a skewness/semivariance biobjective optimization framework. The solutions of this biobjective optimization problem allow the investor to analyse the efficient trade-off between skewness and...

Using linked employer-employee data, this paper estimates the effect of collective bargaining coverage on wages over an interval of continuing decline in unionism. Unobserved firm and worker heterogeneity is dealt with using two establishment sub-samples, comprising collective bargaining joiners...

The end of the 19th century was marked by several events which were extremely important to Portugal. The consequences of these events would later be responsible for the fall of the Monarchy and, thus, for the birth of the Republic. The first Republic was officially proclaimed on the 5th October...

One of the main implications of the basic target zone model developed by Krugman (1991) is that there is a trade-off between exchange rate volatility and interest rate differential volatility. Using an M-GARCH model we find evidence that such a trade-off existed, prior to the introduction of the...