The general concept of a Securities Transaction Tax is controversial among academics and politicians. While theoretical research is quite advanced, the empirical guidance in a fragmented market context is still scarce. Possible negative effects for market liquidity and market efficiency are...

The alleged undervaluation of the renminbi has been the subject of intensive academic research over the past few years. Using equilibrium exchange rate models many authors have concluded that the renminbi is undervalued by 15 to 30% against the US dollar. Yet China has been experiencing strong...

The alleged undervaluation of the renminbi has been the subject of intensive academic research over the past few years. Using equilibrium exchange rate models many authors have concluded that the renminbi is undervalued by 15 to 30% against the US dollar. Yet China has been experiencing strong...

Cette thèse porte sur le marché des changes, la dynamique et les politique économiques et s’organise en trois parties. La première partie montre qu’il est possible de définir trois formes d’efficience : l’efficience spéculative, l’efficience macroéconomique et l’efficience...

The supposed undervaluation of the renminbi has been the subject of intensive academic research over the past few years. Using equilibrium exchange rate models (Purchasing Power Parity, BEER and FEER), many authors have concluded that the renminbi is undervalued by 15 to 30% against the dollar....

Equilibrium exchange rate theories (FEER, BEER and NATREX) make the assumption that the Real Equilibrium Exchange Rate (RER) is independent from internal equilibrium and economic policies. We develop a model in which economic policies depend on the minimisation of an intertemporal loss function,...