Prof Willem Boshoff

Willem H. Boshoff, PhD (Stell), MSc (Oxon), MComm (Stell)

Professor of Economics

Co-Director: Centre for Competition Law and Economics

Expert Economist

T: +27 (0)21 808 2387

E: [protected email address]

K501, CGW Schumann Building, Bosman Street

TEACHING 

Industrial Organisation

Introductory and Advanced Time-Series Econometrics 

WORK IN PROGRESS 

Boshoff, W.H. 2021. Demand and excessive pricing. Mimeo;

Boshoff, W.H., Froeb, L.M., Minnie, R. and Tschantz, S. 2021. Bargaining competition and vertical mergers;

Boshoff, W.H., Schinkel, M.P., Bun, M. and Van Jaarsveld, R. 2021. A primer in cartel dating; 

Fagart, T. and Boshoff, W.H. 2021. Capacity collusion and overcharge estimation. Revising for resubmission;

Boshoff, W.H. and Van Jaarsveld, R. 2021. The impact of non-stationarity on dummy-variable models with application to cartel damages;

Boshoff, W.H. 2019. Ex-post review decisions in merger control.

PUBLICATIONS 

1. IO and competition policy journal publications 

Nkosi, W.W. and Boshoff, W.H. 2022. Characteristics of prosecuted cartels and cartel enforcement in South Africa. Review of Industrial Organization 60: 327-360.  

Changole, P. and Boshoff, W.H. 2022. Non-competition goals and their impact on South African merger control: an empirical analysis. Review of Industrial Organization 60: 361-401.

Boshoff, W.H. and Paha, J. 2021. List price collusion. Journal of Industry, Competition and Trade 21: 393-409.

Boshoff, W.H. 2021. South African competition policy on excessive pricing and its relation to price gouging during the Covid-19 disaster period. South African Journal of Economics 89(1): 112-140. 

Boshoff, W.H. and Binge, L.H. 2021. Measuring alternative asset prices in an emerging market: the case of the South African art market. Emerging Markets Review in press https://doi.org/10.1016/j.ememar.2020.100788. 

Boshoff, W.H. and Van Jaarsveld, R. 2019. Market definition using consumer characteristics and cluster analysis. South African Journal of Economics 87(3): 302-325.

Boshoff, W.H. and Van Jaarsveld, R. 2019. Recurrent collusion: cartel episodes and overcharge in the South African cement market. Review of Industrial Organization 54(2): 353-380.

Boshoff, W.H., Frübing, S. and Hüschelrath, K. 2018. Information exchange through non-binding advance price announcements: an antitrust analysis. European Journal of Law and Economics 45(3): 439-468.

Boshoff, W.H. 2015. Illegal cartel overcharges in markets with a legal cartel history: bitumen prices in South Africa. South African Journal of Economics 83(2): 220-239.

Boshoff, W.H. 2014. Market definition as a problem of statistical inference. Journal of Competition Law and Economics 10(4): 861-882.

Boshoff, W.H. 2012. The strategic implications of black empowerment policy in South Africa: a case study of boundary choice and client preferences in a small services firm. South African Journal of Economic and Management Sciences 15(2): 207-221.  

Boshoff, W.H. 2012. Gasoline, diesel fuel and jet fuel demand in South Africa. Studies in Economics and Econometrics 36(1): 43-78. 

Theron, N.M. and Boshoff, W.H. 2011. When do vertical restraints harm competition? The economics-based approach and its application in the BATSA case. South African Journal of Economics 79(3): 330-345. 

Boshoff, W.H. 2008. Cigarette demand in South Africa over 1996-2006: the role of price, income and health awareness. South African Journal of Economics 76(1): 118-131.

Boshoff, W.H. 2007. Stationarity tests in geographic market definition: an application to South African milk markets.  South African Journal of Economics 75(1): 1-14. 

Theron, N.M. and Boshoff, W.H. 2006. Vertical integration in South African telecommunications: a competition analysis. South African Journal of Economics 74(3): 575-592.