It turns out that the Soccernomics model was the most accurate for the tournament.

FORBES: Quantifying the Under and Over Performing Teams in the Men's Olympic Soccer Tournament

"There'll never be another manager like him again, " said Stefan Szymanski, a professor of management at the University of Michigan and co-author of Soccernomics.

WSJ: Some Lavish Praise for Alex Ferguson��Manchester United

The wage portion of club financial statements does contain all company wages, not just players (something Stefan Szymanski of Soccernomics fame regularly points out).

FORBES: On Models & Why Arsenal Must Invest ?120M To Compete for the EPL Title

Thus, a comparison is made between the Soccernomics, Latinos Post (Group A, B, C, and D), Soccernews, and Wisdom Of Crowds approaches.

FORBES: Quantifying the Under and Over Performing Teams in the Men's Olympic Soccer Tournament

Stefan Szymanski, a professor of sports management at the University of Michigan and a co-author of "Soccernomics, " has examined the difficult question of how to assess the impact of soccer managers.

WSJ: Pep Guardiola: The World's Most Coveted Coach

Soccernomics demonstrated that this reality of the professional soccer marketplace and the relative free movement of labor within it ensure that the best players congregate within the teams who can pay the most money.

FORBES: In Professional Soccer the Final 10% is the Difference Maker

The second edition of Soccernomics uses a slightly different method to arrive at a similar conclusion, as Allardyce ranks 20th out of the 699 managers in the last 40 years of the English game.

FORBES: A Chance to Prove Their Doubters Wrong

Winner's view is shared by Simon Kuper, journalist and co-author of "Soccernomics, " a book about football's truths, who subscribes to the view that England's methodology was spawned from a notion that the soldier was society's greatest role model.

CNN: June 29, 2012 -- Updated 1447 GMT (2247 HKT)