Hence LTV says nothing consistent about why and how people value things in trade.
Marx's LTV is quite consistent---but it is also complicated. There are many qualifications and special catagories.
Which is *why* it isnt a useful model for the above.
Are you serious?
Re-read RD's posts here, here, or here for further edification---or you could ACTUALLY READ the book yourself.
: Re -read this as your disbelief that anyone who reads anything by Marx would not be immediately converted to it...
Read this to demonstrate that you don't know what you're talking about AT ALL:
Gee: According to you the candy bar still has 'value' because it has been given unto it by labor - according to those customers who would buy it at below costs but not above its exchange value is less than the sum of the exchange values of the inputs.