"policy influences" is correct and usable in written English.
You can use it to refer to how a policy (such as a law or rule) influences the actions of people or organizations. For example, "Government policies have a strong influence on how businesses operate."
"Public policy influences private behaviour", she writes, but that's only half of her argument: parents have to look to themselves.
To understand why, consider how monetary policy influences the trade balance and the exchange rate.Typically, a central bank eases by lowering the short-term interest rate.
Two years ago the UK Drug Policy Commission concluded: "There is little evidence … that drug policy influences either the number of drug users or the share of users who are dependent".
The Fed is focused on the future – monetary policy influences the economy only gradually – so what officials really care about is what the data will show in the coming months.
To the extent that foreign policy influences voters at all, Obama has a record of successes abroad — from ending the war in Iraq to killing Osama bin Laden to overthrowing Muammar el-Qaddafi — as well as failures, including the early effort to jump-start peace talks between Israel and the Palestinians, which has soured relations with Prime Minister Benjamin Netanyahu to this day.
Moreover, the results show that corporate dividend policy influences corporate hedging behavior.
The primary distribution is not some pristine, meritocratic outcome devoid of political or policy influence.
Indeed, despite his consistently lagging polling and fundraising numbers, Edwards has arguably been the decisive policy influence inside the Democratic party.
But should the potential effectiveness of a policy influence a conversation about its morality — or its constitutionality?
Such disparities may serve to tilt the balance of policy influence in favour of better-organized and better-financed groups.
Political activity by organized interests, which spend huge sums outside campaigns on policy influence, reinforces unequal voice.
