He says research shows people give to things they care about. "We tend to give to our groups," he says.
So religious people will give to the religious causes they care about.
Guthrie started giving money to the Metropolitan Opera after he started going to their performances. "I loved them so much I wanted to support them," he says.
The "voting" also works the other way. People will give money to organizations that are fighting against things they do not like — such as donating to Democratic causes if a person did not like George W. Bush or donating to politicians promising to defeat Obamacare.
Franklin says there is a debate about whether, when people give to religious organizations, if they are really giving to the community. "People who are actively giving to their church see the good works it does in the world," he says. "The critics, those not in that church, may say the church does not help in the broader community. Motivation is in the eye of the beholder."
A study by the Chronicle of Philanthropy last year looked at giving patterns across the U.S. It found that religion has a "big influence on giving patterns" and that "regions of the country that are deeply religious are more generous than those that are not."
But if that religious giving is taken out of the mix and only secular gifts are counted, suddenly New York jumps from No. 18 on the list of charitable giving to No. 2 and Pennsylvania, which was No. 40, becomes the fourth most charitable state.
Guthrie says religious belief is so diverse it is difficult to make easy conclusions. He also says non-religious people are also diverse and probably, like religious people, their "giving follows where they spend their time."
And where people spend their time is a key to becoming more charitable, Guthrie says.
How to be charitable
Zehnder's friend's children were changed by experiencing face-to-face the needs of others. The children came up with the idea on their own to save money for that New Mexico charity by foregoing other previously normal activities such as going out to restaurants.
"At the end of the year, the parents could probably give twice or three times more than they are raising this way," Zehnder says. "But that is not what this is about. The kids are now onboard with what it means to give."
Zehnder also notices how, in her wealthy clients, working on charitable causes can bring families together.
Guthrie says if people want to expand their heart and be more charitable, they need to go to people in need and just be with them. "They need to see them as human beings and not as statistics that are far away," he says. "People's money follows their behavior, not the other way around."
Zehnder visited Africa and saw the impact her own contributions could have on families there. "I had a whole new perspective on wealth after coming back from Africa," she says. "If you know what carpet is, then you are a wealthy person compared to them. If you have carpet, you have enough to give to these people who have nothing."
Guthrie says social pressure also is a good motivator. "If you hang around people who have a habit of giving, that will rub off on you," he says. It is in this type of motivation to give, the actual contact with other people in need, that churches may have a leg up on the secular world. "Just being a part of a group that reminds you of the needs of other people," he says, "is why we see overall giving higher where there is church involvement."
Guthrie knows about the support churches can give to members. He was at one time a United Methodist pastor, but now says he is "completely out of religion, except as a scholar."
"That is the one thing I really miss from when I was involved with church," he says, "was there was always someone there to help out. I have that with our neighbors, but it is not as regular and as consistent."
For Franklin, the NYU adjunct professor of philanthropy, giving, whether religious or non-religious, is at its core about being good people.
"Every major world religion and every well-respected humanist philosophy all teach about being concerned about more than just yourself," he says. "Giving is just another way we carry out those goals."
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