Hard $ to Senator's PAC in '04 cycle – The amount of money donated by the PAC of group i to
Senator j’s leadership PAC in the 2001-2002 election cycle.
Group has no PAC (501(c)(3)) – A dummy variable coded as 1 for groups that do not have a
Political Action Committee because of their tax status.
Soft $ from group to NRSC * Repub. senator – An interaction between the amount of soft money
a group donated to the National Republican Senatorial Campaign Committee and a
dummy variable coded as 1 for Republican Senators.
Soft $ from group to DSCC * Dem. senator – An interaction between the amount of soft money a
group donated to the Democratic Senatorial Campaign Committee and a dummy variable
coded as 1 for Democratic Senators.
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