Key points are not available for this paper at this time.
There is a vast empirical literature on the allocation of corporate PAC contributions in Congressional elections and the influence that these contributions have on the policy-making process. The attention given to PAC contributions is far in excess of their actual importance. Corporate PAC contributions account for about 10% of Congressional campaign spending and major corporations allocate far more money to lobbying or philanthropy than their affiliated PACs make in contributions.
Milyo et al. (Sat,) studied this question.