These ideas were further elaborated and refined in " Two-Factor Theory : The Economics of Reality " ( Random House, 1967 ) and " Democracy and Economic Power : Extending the ESOP Revolution Through Binary Economics " ( 1986, Ballinger Publishing Company, Cambridge, Massachusetts; reprinted 1991, University Press of America, Lanham, Maryland ), both co-authored by Patricia Hetter Kelso, his collaborator since 1963.
42.
Common factors theory has been dominated by research on psychotherapy process and outcome variables, and there is a need for further work explaining the mechanisms of psychotherapy common factors in terms of emerging theoretical and empirical research in the neurosciences and social sciences, just as earlier works such as Dollard and Miller's " Personality and Psychotherapy " or Frank's " Persuasion and Healing " explained psychotherapy common factors in terms of the sciences of their time.
43.
"' 1967 "' Kelso and Patricia Hetter publish a third book on " capitalist democracy : " " Two-Factor Theory : The Economics of Reality . " ( Originally published under the title " How to Turn Eighty Million Workers Into Capitalists on Borrowed Money . " ) The book restates Kelso's thesis concerning productivity and broad access to capital, and discusses a number of policy suggestions, such as requirements for corporations to make monthly pay-outs of their entire pre-tax income to shareholders, which would then be taxed as ordinary income rather than capital gains.
