In addition, you have more discretionary expenses such as vacations. And you might include the cost of a shared family car. The remaining expenses would have to be covered by whatever you both have in defined benefit pensions or accumulated savings. This would allow an investor to analyze different investment methodologies prior to investing. Sorry, no published books since 1975 and those are out of print.
Columns are more timely, reach more people, and the pay, unlike books, is regular.
I am working on making collections of columns available electronically and as paper reprints on particular subjects such as investing for income. Fifty years is a long time. Much longer than most databases. Telescan, based in Houston, has a 20 year database and sells investment software you can use to select stocks through more than 200 measures. I 'm trying to determine if there is an accurate method to determine how many shares an individual has in a particular fund.