Originally Posted by mineistaken

So when is it established that wine of that year is good? I mean - at the very beginning the same wine is going for regular price and then suddenly (or after years) in spikes in price. Why can not they tell if it is good from the very beginning? And spike the price from the very first day?
Somehow it takes them years to realize that wine from certain years was good and only then when it is "announced" that wine goes up in price?