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In this paper, I analyze how legislators structure their interactions with lobbyists so as to limit undue interest group influence. A simple game theoretic model is developed to show that legislators have various means by which to control lobbying activity, even in the absence of stringent lobbying regulations. The costliness of the lobbyist's signals limit the lobbyist's ability to exaggerate claims.
Scott H. Ainsworth (1993) studied this question.