"... the chief business of the American people is business." he once said.
Coolidge followed a laissez-faire economic policy, whereby the government doesn't interfere in the national economy unless absolutely necessary, and even then its actions should be limited to gentle nudges to get the economy back on track rather than large scale intervention.
So, Coolidge's attitude toward business was 'if it's not broken, don't fix it' - leave business alone to prosper.
Three effects are:
-Members of both parties share almost equal core beliefs
-Two parties create a new division of issues which helps to clarify and classify issues based on differing ideologies
-Two parties make it easier to run for office
Hope this helps... :)
