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Evolution of concentration and competition in the Danish newspaper and magazine sector
Erhardtsen, Åge, (1978)
Competitive pressure and profitability of newspaper publishing in 12 European countries
Björkroth, Tom, (2018)
The impact of consumer multi-homing on advertising markets and media competition
Athey, Susan, (2018)
The financial commitment approach to news media competition
Lacy, Stephen, (1992)
Effects of group ownership on daily newspaper content
Lacy, Stephen, (1991)
Legal and economic aspects in theft of newspapers : using a model of newspaper value
Picard, Robert G., (1999)