This is the 16464th most frequent Russian word.
рыночных
"Market" or "market-related."
The word 'рыночных' is used here as an adjective modifying 'цены', meaning 'market prices'. It specifies the type of prices being discussed.
Эта статья обсуждает динамику рыночных цен.
This article discusses the dynamics of market prices.
In this sentence, 'рыночных' describes 'отношений' (relations), indicating that these relations pertain to the market or economic activities.
Он изучает теорию рыночных отношений.
He studies the theory of market relations.
Here, 'рыночных' qualifies 'механизмов' (mechanisms), referring to mechanisms that function within the scope of the market.