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This paper analyses the price discovery process and the informational role of trading in the Italian wholesale secondary markets for Treasury bonds: the business-to-business (B2B), interdealer and quote driven MTS cash and the business-to-consumer (B2C), order driven BondVision trading venues. Using daily data for a representative set of fixed rate government bonds over the period January 2007 - February 2012, we find that the B2C dealer-to-customer market contributes to the process of price formation to a greater extent than the B2B interdealer platform. The informational role of trading is found to be considerable: order flow is a key variable in the process of price formation and appears to continuously act on a cross market basis. Moreover, the explanatory role of order flow turns out to be stronger when liquidity conditions are poorer. |
