Work in progress: 

• The competitive consequences of delegating the retail pricing and assortment decision to a manufacturer under category captainship (2023) (with L.Garrod and K.Patel). 

• Do football fans switch to an inferior product? (with J.Reade and C.Singelton). 

Publications: 

• Cartel damages claims passing-on and passing-back (2024) Forthcoming in Review of Industrial Organisation, (with L.Garrod, J.Han and J.Harvey).

• Supply- vs Demand-side transparency: the collusive effects under imperfect public monitoring (2021) Journal of Industrial Economics, 69(3), 537-560 (with L.Garrod). 

• Price advertising, double marginalisation and vertical restraints (2020) Economics Letters, 190 (with L.Garrod and C.Wilson).   

• The role of the maverick firm concept in European Commission merger decisions (2018) Journal of Competition Law and Economics, 14(2), 179-192 (with J.Bromfield).    

• Explicit vs tacit collusion: The effects of firm numbers and asymmetries (2018) International Journal of Industrial Organization, 56, 1-25 (with L.Garrod). 

• Collusion under imperfect monitoring with asymmetric firms (2017) Journal of Industrial Economics, 65(3), 654-682  (with L.Garrod). 

• Raising rivals’ fixed costs (2016) International Journal of the Economics of Business, 23(1), 19-36 (with M.Hviid). 

• Chain-store pricing and the structure of retail markets (2015) Journal of Industry Competition and Trade, 15, 87-104. 

• Tacit collusion, firm asymmetries and numbers: evidence from EC merger cases (2010) International Journal of Industrial Organization, 29(2), 221-31 (with S.Davies and H.Coles).

• Assessing the efficacy of structural merger remedies: choosing between theories of harm? (2010) Review of Industrial Organization, 37, 83-99 (with S.Davies). 

• Tacit versus overt collusion. Firm asymmetries and numbers: what’s the evidence? (2008) Competition Policy International, 4(2), Autumn, 175-200, (invited submission) (with S.Davies). 

Reports: 

• An evaluation of the impact upon productivity of ending resale price maintenance on books (2008) Report for the OFT, No. 981 (with S.Davies, C.Ball and C.Wilson).

• Benefits from competition: some illustrative UK cases (2004) Report for the DTI, Economics Paper No. 9 (with S.Davies, H.Coles, C.Pike and C.Wilson).