Lettau, Martin; Ludvigson, Sydney - C.E.P.R. Discussion Papers - 1999
one that produces a deviation from its shared trend with consumption and labor income. Using quarterly stock market data … behavior imply that the log consumption-aggregate (human and nonhuman) wealth ratio forecasts the expected return on aggregate … components may be expressed in terms of observable variables, namely in terms of consumption, nonhuman wealth and labor income …