We consider the effects of quantitative easing on the liquidity of the Swedish government bonds. To capture multiple dimensions of liquidity we use several measures built on a unique and highly granular transaction-based dataset. We find that the Riksbank's purchases of government bonds improved...

This paper studies the impact of contracted market makers by investigating the liquidity provider scheme in Sweden. The results show that the stocks become more liquid after the introduction of the contracted market makers. The liquidity improvement is explained by reduced order processing cost...

We develop the principal component analysis (PCA) approach to systematic liquidity measurement by introducing moving and expanding estimation windows. We evaluate these methods along with traditional estimation techniques (full sample PCA and market average) in terms of ability to explain (1)...

We exploit an optional colocation upgrade at NASDAQ OMX Stockholm to assess how speed affects market liquidity. Liquidity improves for the overall market and even for noncolocated trading entities. We find that the upgrade is pursued mainly by participants who engage in market making. Those that...