Tcg. Fisher et Jd. Konieczny, Synchronization of price changes by multiproduct firms: evidence from Canadian newspaper prices, ECON LETT, 68(3), 2000, pp. 271-277
Using data for Canadian daily newspapers we find that price changes of pape
rs owned by the same firm are synchronized. On the other hand, independentl
y owned newspapers do not appear to change their prices together. (C) 2000
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