Caps on Political Lobbying: Reply
回应Kaplan和Wettstein的评论，指出若游说支出上限不刚性（即对游说成本的影响是连续的），则上限无效。
Yeon-Koo Che and Ian Gale (1998) studied the impact of imposing a cap on lobbying expenditures. They showed that a cap may lead to (1) greater expected aggregate expenditures and (2) a less efficient allocation of a political prize. In their comment, Todd Kaplan and David Wettstein (2005) show that if the cap is not rigid (i.e., its effect on the cost of lobbying is continuous) it has no effect.