What makes so many Americans feel robbed of democracy was confirmed in 2014 by two political scientists whose data revealed a stark reality Average "citizens' preferences" have a "non-significant, near-zero level" of influence on policy decisions while business interests exert considerable influence. "Multivariate analysis indicates that economic elites and organized groups representing business interests have substantial independent impacts on U.S. government policy, while average citizens and mass-based interest groups have little or no independent influence." (p.564) "By directly pitting the predictions of ideal-type theories against each other within a single statistical model (using a unique data set that includes imperfect but useful measures of the key independent variables for nearly two thousand policy issues), we have been able to produce some striking findings. One is the nearly total failure of “median voter” and other Majoritarian Electoral Democracy theories. When the preferences of economic elites and the stands of organized interest groups are controlled for, the preferences of the average American appear to have only a minuscule, near-zero, statistically non-significant impact upon public policy" (p.575) "Nor do organized interest groups substitute for direct citizen influence, by embodying citizens’ will and ensuring that their wishes prevail in the fashion postulated by theories of Majoritarian Pluralism. Interest groups do have substantial independent impacts on policy, and a few groups (particularly labor unions) represent average citizens’ views reasonably well. But the interest-group system as a whole does not. Overall, net interest-group alignments are not significantly related to the preferences of average citizens. The net alignments of the most influential, business-oriented groups are negatively related to the average citizen’s wishes. So existing interest groups do not serve effectively as transmission belts for the wishes of the populace as a whole. “Potential groups” do not take up the slack, either, since average citizens’ preferences have little or no independent impact on policy after existing groups’ stands are controlled for. Furthermore, the preferences of economic elites (as measured by our proxy, the preferences of “affluent” citizens) have far more independent impact upon policy change than the preferences of average citizens do. To be sure, this does not mean that ordinary citizens always lose out; they fairly often get the policies they favor, but only because those policies happen also to be preferred by the economically-elite citizens who wield the actual influence." (p.576)
Source: Martin Gilens and Benjamin I. Page, "Testing Theories of American Politics: Elites, Interest Groups, and Average Citizens," American Political Science Association 12, no. 3 (2014), 564, 575-576, accessed January 15, 2016, doi:10.1017/S1537592714001595.