i hghly recommend this article on portfolio construction at portfoliocharts.com
limitations- it looks at the period 1970 to the present. i wish it went back to 1910 or so. the last 50 years have included 40 years or so of a giant bond rally. also the inverse relationship of stocks and bonds has been strong over that period, but imo cannot be relied upon going forward. the interval covered in the study includes the 70's, when stocks and bonds were positively correlated, but its return measure is the 15th percentile return over any 15 year period.
nonetheless, i urge everyone to read this piece.
limitations- it looks at the period 1970 to the present. i wish it went back to 1910 or so. the last 50 years have included 40 years or so of a giant bond rally. also the inverse relationship of stocks and bonds has been strong over that period, but imo cannot be relied upon going forward. the interval covered in the study includes the 70's, when stocks and bonds were positively correlated, but its return measure is the 15th percentile return over any 15 year period.
nonetheless, i urge everyone to read this piece.
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