Engsted, Tom; Pedersen, Thomas Q.; Tanggaard, Carsten - In: Journal of Financial and Quantitative Analysis 47 (2012) 03, pp. 643-665
We study in detail the log-linear return approximation introduced by Campbell and Shiller (1988a). First, we derive an upper bound for the mean approximation error, given stationarity of the log dividend-price ratio. Next, we simulate various rational bubbles that have explosive conditional...