“The Second World War supplied the occasion for the spending, and Keynesian economics supplied the rationale. But Keynesian fiscal policy had political appeal even before the war demonstrated its economic success. For unlike the various proposals for structural reform, such as vigorous antitrust action or national economic planning, Keynesian economics offered a way for the government to control the economy without having to choose among controversial views of the good society. Where earlier reformers had sought economic arrangements that would cultivate, citizens of a certain kind, Keynesians undertook no formative mis­sion; they proposed simply to accept existing consumer preferences and to regulate the economy by manipulating aggregate demand.”

the misdiagnosis of unemployment, the fear of saving, and the unjustified faith in government intervention — affected the fundamental ideas of policy makers for a generation and altered such basic institutions of our economy as the tax laws, the social insurance programs and the financial system. Changing these deeply ingrained aspects of economic life can happen only slowly. But the economics profession has undoubtedly begun to re-examine and re-evaluate the Keynesian notions that have been so dominant for the past 35 years. There is a return to older and more basic economic truths and an attempt to adapt these ideas to the changing conditions of technology and affluence. From this is emerging a new view of unemployment, of saving, and of the role of government.
"The Retreat from Keynesian Economics", The Public Interest (1981).

What few know is that there is no meaningful theoretical or empirical support for the Keynesian position.
Robert J. Barro, "Keynesian Economics vs. Regular Economics" Wall Street Journal (2011).

[David Colander, “Functional Finance, New Classical Economics and Great Great Grandsons” (2002).
2000s

James Tobin, "A Revolution Remembered", Challenge (1988).
1970s and later
Context: Keynesian economics was, in the context of those times, essentially conservative. The message was that capitalism was not doomed; its major failing, chronic large-scale unemployment, could be remedied fairly easily, by intelligent use of the fiscal and monetary instruments governments already had at their disposal. This message was not welcome news to Marxists committed to the view that the system was no longer structurally capable of prosperity and progress.

1. America's Search for a Public Philosophy
Public Philosophy (2005)

&quot;John Maynard Keynes: Where’s The Genius?! (Part 2) http://www.economicpolicyjournal.com/2013/08/john-maynard-keynes-wheres-genius-part-2.html Economic Policy Journal, August 23, 2013. <br class="br">2010s, 2013

"Economic Conditions and U.S. National Security in the 1930s and Today" (2009).

Source: Macroeconomics (7th Edition, 2017), Ch. 24 : Epilogue: The Story of Macroeconomics

Source: Contributions to Modern Economics (1978), Chapter 23, What Has Become of Employment Policy?, p. 256