not "who", but "what is".
the answer is Kickbacks.
kickbacks
Money and favors.
The government gets its income to provide public services to its citizens from taxes.
to provide service and to look after the public.
By lobbying the public to put pressure on elected officials, grassroots lobbying can influence public policy!
PUBLIC
Public relations is the more powerful trying to get the public on their side. Lobbying is going to government directly and paying them to do things for you, bypassing the public altogether.
answer
The efforts of Public Citizen are largely responsible for passage of the Lobbying Disclosure Act and the Lobbying and Ethics Reform Act of 2005
Discussion of areas of market failure. This will be expressed in general terms - syllabus mentions the government as a producer of goods and services but does not deal with public and merit goods.
Outside Lobbying is Grassroots Lobbying basically it is Activities directed at the general public to raise awareness and interest and to pressure officials. In appealing directly to the public, interest groups are trying to build public sentiment in order to bring pressure to bear on the officials who will actually make the decisions.
to provide all services to public.