Indeed, professor of law and economics (and chief S&L prosecutor) William Black notes that we've known of this dynamic for "hundreds of years". And see this, this, this and this.
(Review of the data on accounting fraud confirms that fraud goes up as criminal prosecutions go down.)
The Director of the Securities and Exchange Commission's enforcement division told Congress:
Recovery from the fallout of the financial crisis requires important efforts on various fronts, and vigorous enforcement is an essential component, as aggressive and even-handed enforcement will meet the public's fair expectation that those whose violations of the law caused severe loss and hardship will be held accountable. And vigorous law enforcement efforts will help vindicate the principles that are fundamental to the fair and proper functioning of our markets: that no one should have an unjust advantage in our markets; that investors have a right to disclosure that complies with the federal securities laws; and that there is a level playing field for all investors.
Paul Zak (Professor of Economics and Department Chair, as well as the founding Director of the Center for Neuroeconomics Studies at Claremont Graduate University, Professor of Neurology at Loma Linda University Medical Center, and a senior researcher at UCLA) and Stephen Knack (a Lead Economist in the World Bank's Research Department and Public Sector Governance Department) wrote a paper called Trust and Growth, showing that enforcing the rule of law -- i.e. prosecuting white collar fraud -- is necessary for a healthy economy.
One of the leading business schools in America -- the Wharton School of Business -- published an essay by a psychologist on the causes and solutions to the economic crisis. Wharton points out that restoring trust is the key to recovery, and that trust cannot be restored until wrongdoers are held accountable:
According to David M. Sachs, a training and supervision analyst at the Psychoanalytic Center of Philadelphia, the crisis today is not one of confidence, but one of trust. "Abusive financial practices were unchecked by personal moral controls that prohibit individual criminal behavior, as in the case of [Bernard] Madoff, and by complex financial manipulations, as in the case of AIG." The public, expecting to be protected from such abuse, has suffered a trauma of loss similar to that after 9/11. "Normal expectations of what is safe and dependable were abruptly shattered," Sachs noted. "As is typical of post-traumatic states, planning for the future could not be based on old assumptions about what is safe and what is dangerous. A radical reversal of how to be gratified occurred."
People now feel more gratified saving money than spending it, Sachs suggested. They have trouble trusting promises from the government because they feel the government has let them down.
He framed his argument with a fictional patient named Betty Q. Public, a librarian with two teenage children and a husband, John, who had recently lost his job. "She felt betrayed because she and her husband had invested conservatively and were double-crossed by dishonest, greedy businessmen, and now she distrusted the government that had failed to protect them from corporate dishonesty. Not only that, but she had little trust in things turning around soon enough to enable her and her husband to accomplish their previous goals.
"By no means a sophisticated economist, she knew " that some people had become fantastically wealthy by misusing other people's money -- hers included," Sachs said. "In short, John and Betty had done everything right and were being punished, while the dishonest people were going unpunished."
Helping an individual recover from a traumatic experience provides a useful analogy for understanding how to help the economy recover from its own traumatic experience, Sachs pointed out. The public will need to "hold the perpetrators of the economic disaster responsible and take what actions they can to prevent them from harming the economy again." In addition, the public will have to see proof that government and business leaders can behave responsibly before they will trust them again, he argued.
Note that Sachs urges "hold[ing] the perpetrators of the economic disaster responsible." In other words, just "looking forward" and promising to do things differently isn't enough.
Robert Shiller -- one of the top housing experts in the United States -- says that the mortgage fraud is a lot like the fraud which occurred during the Great Depression. As Fortune notes:
Shiller said the danger of foreclosuregate -- the scandal in which it has come to light that the biggest banks have routinely mishandled homeownership documents, putting the legality of foreclosures and related sales in doubt -- is a replay of the 1930s, when Americans lost faith that institutions such as business and government were dealing fairly.
Indeed, it is beyond dispute that bank fraud was one of the main causes of the Great Depression.
Economist James K. Galbraith wrote in the introduction to his father, John Kenneth Galbraith's, definitive study of the Great Depression, The Great Crash, 1929:
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