In 1999 the EU abolished duty-free on intra-EU travel, whilst other countries still retain duty-free shopping for international travellers. We adress several aspects of duty-free trade, including effects on consumption, revenue and price-setting. From a global perspective we identify the...

Märkte für energieeffiziente Güter zeichnen sich typischerweise durch Informationsasymmetrien aus. Zertifizierte Öko-Labels einer unabhängigen Drittpartei stellen ein geeignetes Instrument dar, um solche Informationsasymmetrien am Markt zu überwinden und Vertrauen in die Gültigkeit von...

We analytically show that a common across rich/poor individuals Stone-Geary utility function with subsistence consumption in the context of a simple two-asset portfolio-choice model is capable of qualitatively and quantitatively explaining: (i) the higher saving rates of the rich, (ii) the...