Hidehira's wealth was supported by such noted products of Oshu as horses and gold, by which he frequently donated gold and horses to the national political arena and funds to temples and shrines to raise its reputation.
秀衡の財力は奥州名産の馬と金によって支えられ、豊富な財力を以て度々中央政界への貢金、貢馬、寺社への寄進などを行って評価を高めた。