Rothbard denigrated Milton Friedman, a Nobel Laureate economist and a competing libertarian theorist.
Since the (comparatively recent) arrival of apparently competing approaches, correspondence theorists have developed negative arguments, defending their view against objections and attacking (sometimes ridiculing) competing views.
Cataloging their energies and number should help theorists figure out the source of the neutrinos, which in turn should help them choose among the competing theories that explain the surplus.
Other theorists offered competing explanations.
The present day, he told me, when Internet access has sparked a proliferation of competing, self-appointed authorities, is a particularly fertile time for conspiracy theorists, who might ask: " 'Why would you believe The New York Times?
If the decision threatens to make silencing conspiracy theorists more difficult, the White House was already struggling to exercise control over competing versions of what actually happened in the Bin Laden compound.
Turning Simon's bounded rationality on its head, other theorists argued that organizations are not purposeful cohesive actors but rather groups of competing coalitions made up of individuals with disparate interests.
In reaction to this memetic synthesis of investigative journalism with religious conspiracism, many secular conspiracy theorists added the Priory of Sion to their list of secret societies collaborating or competing to manipulate political happenings from behind the scenes in their bid for world domination.
But what the likeness theorists seem to have ended up with here is something that suggests a rather unpalatable incommensurability of competing conceptual frameworks.
Nevertheless, it is possible, firstly, to mark off a range of related social forms that would be regarded by most theorists as being properly describable as social institutions; and, secondly, to compare and contrast some of the competing theoretical accounts of the "social institutions" in question.
Evolutionary theorists such as David Sloan Wilson have shown that goodness can evolve, because groups of individuals with good traits can survive and reproduce better than competing groups.
