of. ,e are back with catherine mann a professor at brandeis university. we got cut off, chair yellen a recentplayed acceleration in inflation. it is still below the fed target of 2%. prices were up 1.8% through may. what about the concern expressed by the fed presidents of st. louis and philadelphia that fed stimulus could push inflation above the 2% threshold? >> we have to remember that the 2% threshold has a plus or minus, a standard deviation round it. we have been below the threshold for an extended time. imagine, in order to balance that out, being a little bit above the threshold would be the right way to be. remember, actually a threshold was the vocabulary word they used for unemployment rate, whereas target is the word they tend to use for inflation. a target, you can miss it on the downside, you can miss it on the upside. you can still be around the target. people view aof little bit above the 2% as perfectly reasonable, and supportive of the economy going forward. >> how will the fed be able to wind down the $4.5 trillion balance sheet without