Although a major contribution to trade theory, Krugman’s 1979 demonstration that ‘trade can arise and lead to mutual gains even when countries are similar’ fails to make explicit the economic mechanisms that lead up to this result. The current paper attempts to fill this gap by addressing...

In most countries, discretionary fiscal policy has often been pro-cyclical: instead of dampening the business cycle, actual discretionary policy has mostly magnified it. This paper proposes a mechanism that allows discretionary fiscal policy to be counter-cyclical. This involves the creation of...

As apresentações habituais do modelo Hecksher-Ohlin (HO) nos livros de texto têm quatro problemas: análise por vezes superficial dos mecanismos económicos relevantes; escassa ilustração através de exemplos económicos concretos da capacidade explicativa do modelo; utilização de...

No quadro do modelo ricardiano das vantagens comparativas, analisam-se as consequências de desequilíbrios nas balanças comerciais quando os países estão em câmbios flexíveis ou em câmbios fixos (com ou sem esterilização monetária). As principais conclusões são as seguintes: - Em...

This enlightening and significant volume focuses on the nature, causes and features of economic growth across a wide range of countries and regions. Covering a variety of growth related topics – from theoretical analyses of economic growth in general to empirical analyses of growth in the...

Leão (2005) has recently proposed a new explanation for the short run variability of the velocity of money based on the changes in the composition of the expenditure that occur along the business cycle. This paper presents further empirical evidence in favour of Leão’s Expenditure...

Standard estimations of Taylor.s (1993) monetary policy rule assume that the natural real rate of interest can be regarded as constant. By contrast, based on Mankiew (2000) theory of Savers and Spenders, we argue that the natural rate is related to the distribution of income between the two...