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...

The paper aims at explaining empirically the diffusion of E-commerce based on two largescale sample surveys conducted in the Swiss economy. The paper adds to previous work in two ways: firstly, we estimate separate models for E-selling and E-purchasing, and, secondly, we distinguish between...