-repurchase systematic risk will significantly change the relationship between investor behavior, market factors and stock price responses …

’ via asymmetric price responses whereas another strand suggests that it is ‘exogenous’. More recently, it has been … general specifications allow for both asymmetric price responses (for technical progress to impact endogenously) and an … underlying energy demand trend and asymmetric price responses. This gives estimated long-run income elasticities in the range of …

allowing for asymmetric price responses is therefore estimated for each different sample period and the results suggest that … responses. In contrast, a similarly estimated energy demand relationship with symmetric price responses for each different …