наметилась тенденция формирования единых закономерностей ценообразования,

[e-sve]

....outlined a new tendency in unified principles of price setting....???

[kinsman]

имхо, т.к. не спец в экономике
(a) common (pattern of) house-price trends emerged/developed/surfaced/became apparent/sprang up

[enigmata]

a tendency toward formation of uniform patterns of price-setting

[Irisha]

(...prices follow) an easily discernable/recognisable/identifiable pattern

[V]

Ирка - класс

слушайте ее