This paper examines if taking into account changes in the number of producers, or equivalently changes in the product variety space over the business cycle, helps to understand and replicate international business cycle facts. To this end, we develop a two-country model in which the economy is...

O sector público desempenha importantes tarefas de afectação e de redistribuição de recursos na sociedade. Mas, a promoção da eficiência, da equidade e do estímulo ao crescimento e à estabilidade, são as suas grandes linhas gerais de orientação, as quais orientam-se para a...

Almost all of us sometimes voluntarily give up some scarce resources to make someone else better. Not only the amount of resources used for such purposes, but also other wider concerns (implications for private and government sector) have drawn the attention of economists in recent decades. In...