… is from page 38 of GMU Law professor Michael Greve’s excellent 2015 monograph, Federalism and the Constitution: Competition versus Cartels (original emphasis):
Education programs support educators, and children only secondarily; Medicaid supports providers; highway grants support the concrete lobby and construction unions; and so on…. The intended effect of federal transfer programs is to feed a vast intergovernmental bureaucracy and its nominally private clientele. Those constituencies, in turn, provide political support for the programs and lobby for their expansion.