Talk:Precautionary savings
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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)
- 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)
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)