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SUMMARY:MTEI Seminar by Prof. Tomaso Duso\, Heinrich-Heine-Universität D
 üsseldorf
DTSTART:20131204T120000
DTEND:20131204T123000
DTSTAMP:20260916T043944Z
UID:81d7ee9eb41d36e3d173a5150f040c0f1ed9652169dbcc8df001aa6d
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Tomas Duso\, Heinrich-Heine-Universität Düsseldorf\n"E
 x-Post merger evaluation in the UK retail market for books"Abstract:\nThis
  paper empirically evaluates the price effects of the merger of two major 
 book retail chains in the UK: Waterstone’s and Ottakar’s. We employ di
 fferences-in-differences techniques and use a rich dataset containing mont
 hly scanner data information on a sample of 200 books sold in 60 stores in
  50 different local markets for a period of four years around the merger. 
 Since retail mergers may have either local or national effects (or both) a
 ccording to the level at which retail chains set prices\, we undertake an 
 ex-post assessment of the impact of the merger at both levels. At the loca
 l level\, we compare the changes in the average price charged before and a
 fter the merger in the shops located in overlap areas –i.e. areas where 
 both chains were present before the merger– and in non-overlap areas –
 i.e. areas where only one chain was present before the merger. At the nati
 onal level\, we employ two distinct control groups to evaluate the merger\
 , namely the competitors and the top-selling titles. We find that the merg
 er did not result in an increase in prices either at the local or at the n
 ational level. We also perform heterogeneous treatment effects estimations
  in order to assess whether the effect of the merger differs along various
  dimensions of heterogeneity that are present in our data.Keywords: Merger
 s\, Ex-post Evaluation\, Book market\, Retail sectorJEL Classification: K2
 1\, L24\, L44\, D22\, O32
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STATUS:CONFIRMED
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