The advent of the internet has revolutionized the way people buy and sell. The internet is characterized by increased access to information. This increased information should foster convergence to the “law of one price,” for homogenous goods. The surge of electronic markets has motivated a...

A central result in price theory is the law of one price: prices of a homogeneousgood sold at different locations should be equal. Empirical studies of thelaw of one price find that it is often violated.In my dissertation I explore the allocation problem that suppliers face whensupplying...

Diese Dissertation beschäftigt sich mit den makroökonomischen Konsequenzen der Annahme heterogener Firmen. Die geldpolitischen Implikationen stehen dabei im Vordergrund. In den ersten beiden, theoretisch ausgerichteten Kapiteln liegt der Fokus auf der Tatsache, dass Firmen unterschiedlich...