Talk:Precautionary savings

Latest comment: 13 years ago by Jackzhp in topic prudence vs. reckless

The sign of the 3rd derivative

edit

should the sign of the 3rd derivative to be negative, rather than positive? Jackzhp (talk) 20:37, 16 May 2011 (UTC)Reply

needed to be positive in order to have precautionary saving (I mistaken this again). if the sign is 0, we can not the preference is not prudent. Jackzhp (talk) 20:41, 16 May 2011 (UTC)Reply

prudence vs. reckless

edit

what if the sign is negative, what is the word for it? reckless?? Jackzhp (talk) 20:52, 16 May 2011 (UTC)Reply