That they are not being adopted is due to national hubris and policy error on a grand scale.
Such confusion casts continuing doubt on whether he yet understands and accepts his policy error.
However, he and Duan were blamed for a major policy error at that time.
McNamara claimed that he wanted to leave a written record for historians, to prevent policy errors in future administrations.
Perhaps the Government's chief policy error is the futile attempt to prop up crop prices by taking cropland out of production.
In the past, he said, the most common monetary policy error has been failing to raise interest rates aggressively enough.
I thought that progress in macroeconomic analysis made similar policy errors unlikely today.
Taxpayers paid dearly for that public policy error - around $150 billion.
With those functions in place, policy errors are less catastrophic.
And there are two policy errors, two basic policies which have caused this problem.