The phrase "obstinacy to" is correct and can be used in written English.
It means the quality or state of being obstinate or stubborn towards something. Example: Her obstinacy to accept anyone else's opinion always caused conflicts in the group discussion.
It was the old man's choice, his obstinacy, to live in the house without renovating it.
Why do they cling with perverse obstinacy to the obviously bad idea of theocracy?
With his slight frame and boyish looks, Brown may look like a soft touch, but there's a tough, unyielding obstinacy to him.
But it takes real obstinacy to tell couples who can't legally share custody of their kids that it would be best for all concerned if they waited until they were more popular.
For the post-1971 generatinn in Bangladesh, growing up in a country where Muslim Bengalis imposed majoritarian pressure on Hindu Bengalis, as well as on Jumma indigenous people in the hills, it becomes willful obstinacy to hold on to grievance narratives (although, every time an Ayodhya or Gujarat conflagration happens, old stories flare up).
Amid all the new national confidence were the stirrings of a republican renaissance, which was given lethal impetus three years later when sectarian violence erupted in Belfast as the unionist regime reacted with typical obstinacy to the reformist demands of the civil rights movement.
In passing this law, the French Parliament pursued essentially two objectives: to acknowledge a patient's right to oppose unreasonable obstinacy; and to delineate good medical practices, both when a patient is conscious or unconscious, and whether or not they are at the end of life [ 36].
And it is not just the usual protectionist suspects: even some free-traders reckon that economic violence is the only way to shock China out of its self-harming obstinacy (and to stop a more widespread protectionist reaction later).This newspaper is not convinced.
For all his obstinacy, tendency to insubordination, and frequent brusque rudeness, Sharon also possessed a certain personal charm and had friends across the political spectrum.
Its obstinacy helped to frustrate the presidency of Felipe Calderón, whose nominated successor was crushed by Enrique Peña Nieto, the PRI's candidate, in a presidential election last year.
The novelist Helen DeWitt on the problem with the conventional publishing model: "The determining factor is not the quality of the books; it's the extent to which Helen DeWitt can marshal the social skills, the obstinacy, the willingness to suspend writing indefinitely to wheel and deal, to get the fuckers into print".
