Experimentation in Financial Markets

We study the strategies of the market in the inter-dealer market. We show that market makers actively learn from the dealers they trade with and strategically react to the information content of the orders they receive. We identify quot;hidingquot; and quot;experimentingquot; as main types of market makers' strategies. We show how market makers in order to assess the informational content of the orders they receive. We provide empirical evidence of this, using a unique high-frequency dataset on the Italian Treasury Bond market disaggregated at dealer level