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Introduction to the sustainability analysis of contested markets and the multiproduct firm
Pöll, Günther, (1985)
Diversification, market structure, and firm performance : an extension of Rumelt's model
Montgomery, Cynthia Ann, (1979)
The impact of firm conglomeration on market structure : evidence for the U.S. food retailing industry
Cotterill, Ronald W., (1980)
Aggregation and gravity models: some empirical evidence
Alcaly, Roger E., (1967)
An economic study of the demand for air passenger service over the North Atlantic
Alcaly, Roger E., (1969)
Information and food prices
Alcaly, Roger E., (1976)