Alejandro Chafuen writes in, “Thinking About Think Tanks: Which Ones Are The Best?” in Forbes magazine
A “market-oriented” think tank is grounded on the reality that respect for private property within a context of rule of law with limited government has been the path for the wealth of nations. Think tanks that are not market-oriented study how to redistribute wealth, how to increase taxation, or the optimum rate of monetary debasement. Governments have typically relied on their own internal think tanks for that research, and complemented it by research from state-subsidized universities. Market-oriented think tanks focus on finding private solutions to public problems.
Read more here.
The best way to make a lasting impact on public policy is to change public opinion. When you change the beliefs of the people; the politicians and political parties change with them.