1.

図書
図書
1. The economics of collusion : cartels and bidding rings
Robert C. Marshall and Leslie M. Marx
出版情報: Cambridge, Mass. : MIT Press, c2012
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2.

図書
図書
2. Obstacles to trade and competition
Organisation for Economic Co-operation and Development
出版情報: Paris : Organisation for Economic Co-operation and Development, c1993
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