Efficient price setting implies that news create volatility since traders flock to the market in order to re-optimise their portfolios. In due course of the price finding process volatility should decline once the asset price approaches its new, efficient level. In this note I present evidence...

We investigate how firms' market power affects the price level. In our small macro- model we show, that firms - in addition to hypothesised structural mark-up pricing power - may take advantage of favourable business cycle fluctuations. The paper provides empirical evidence for both these...