"a higher willingness" is correct and usable in written English.
You can use it to describe a person's readiness or enthusiasm to do something. For example, "His parents have noticed a higher willingness in him to help out around the house."
Our results indicate that current and potential electric car and solar PV users exhibit a higher willingness to co-create flexibility than heat pump users.
Mr. Brown also said he periodically considered writing Android apps, but had decided against it in part because iPhone users have demonstrated a higher willingness than Android users to pay for apps.
Integrating species has a conceivable dual advantage; the environmental impact can be lowered through nutrient cycling and from an economic perspective there is potential for increased efficiency, product diversification and a higher willingness to pay for more environmentally friendly produced salmon.
Since business tourists have a higher willingness to extend their stay, a softer budget, and their demand is also complementary to the demand of summer tourists (Brau, Scorcu, & Vici, 2009), from the destination point of view investing in this market segment would be the best option.
Their study shows that migrants display a higher willingness to take on risk.
This leads us to consider that these users have a higher willingness to dialogue with users from other parties.
Capacity expansion improves transportation service; particularly traffic congestion would lead to a higher willingness-to-pay by road users, which has a positive effect on the price.
Indeed, the researchers found that in this overwhelmingly liberal environment, there was a high willingness to discriminate against conservatives.
The Stern Review21 followed a prescriptive (and controversial22,23,24) approach; based on ethical arguments it assumed a near-zero rate for discounting the utility of future generations, implying a low discount rate for monetized damages of climate change and a high willingness to pay now.
It is shown that decentralized bargaining is subject to a process of "unraveling" in which relatively high value traders (buyers with a high willingness to pay and sellers with low costs) continuously find trading in the centralized markets more attractive until few opportunities for mutually beneficial trade remain outside the centralized marketplace.
