Procuramos com este estudo fazer uma identificação, seguida de quantificação, de possíveis choques de natureza macroeconómica a que a economia portuguesa esteve sujeita durante os finais dos anos 80. Propomos para isso um modelo resumido para representar o seu comportamento. As variáveis...

Atypical work, or alternative work arrangements in U.S. parlance, has long been criticized in popular debate as providing poorly-compensated employment. Although the early U.S. literature seemed to confirm this perception, more recent cet. par. analysis has offered a partial but somewhat more...

This paper is a brief survey of recent empirical work on financial constraints faced by firms. It is organized as a series of stylized results which mirror what is generally understood about severity of financial constraints and effects that they have upon firms. This survey shows that (a) the...

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...