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- Publications
- Influence
How social processes distort measurement: the impact of survey nonresponse on estimates of volunteer work in the United States.
- K. Abraham, S. Presser, S. Helms
- Medicine, Political Science
- AJS; American journal of sociology
- 1 June 2008
The authors argue that both the large variability in survey estimates of volunteering and the fact that survey estimates do not show the secular decline common to other social capital measures are… Expand
The influence of religiosity on charitable behavior: A COPPS investigation
- S. Helms, J. Thornton
- Psychology
- 1 April 2012
We examine the role of religion in charitable giving and find that the religious preference of both the donor and the recipient organization influence giving behavior. By exploiting a panel survey of… Expand
Gender Differences in Formal and Informal Volunteering in Germany
- S. Helms, T. McKenzie
- 1 August 2014
In this study, we examine the gender differences in formal and informal volunteering using data from a Time Use Survey in Germany. Our study finds strong evidence that women are more likely to… Expand
Afterlife Incentives in Charitable Giving
- J. Thornton, S. Helms
- Economics
- 1 July 2013
There is an expanding literature that examines the influence of religion on economic behaviour. Researchers typically do not distinguish among religions, masking important variation across doctrines.… Expand
How Social Processes Distort Measurement: The Impact of Survey Nonresponse on Estimates of Volunteer Work in the United States1
- K. Abraham, S. Helms, S. Presser
- Political Science, Psychology
- American Journal of Sociology
- 1 June 2008
The authors argue that both the large variability in survey estimates of volunteering and the fact that survey estimates do not show the secular decline common to other social capital measures are… Expand
Choosing to give more: experimental evidence on restricted gifts and charitable behaviour
- S. Helms, B. Scott, J. Thornton
- Economics
- 20 June 2011
It is common for charitable organizations to allow donors to place material restrictions on their gifts. Nonprofit firms and fundraisers generally believe that allowing gift restrictions will… Expand
Trading the Television for a Textbook?: High School Exit Exams and Student Behavior
- Timothy M. Diette, S. Helms
- Psychology
- 1 July 2014
Abstract Approximately half of the states in the United States have some form of high school exit exam. One purpose of the exit exams is to create a clear bar which students must pass in order to… Expand
An Evangelical Anomaly: Religious Observance and Intertemporal Choice
- J. Thornton, Charles E. Stokes, S. Helms
- Economics
- 23 December 2013
Educational achievement is positively correlated with religious devotion. However, those religious sects which are more devoted have, on average, lower levels of education. Evangelical Protestants,… Expand
WETTABILITY OF A NOVEL BIOFILM-RESISTANT SURFACE MODIFICATION PROCESS FOR METALLIC IMPLANTS
- John D. DesJardins, C. Bales, S. Helms
- Materials Science
- 17 April 2018
Introduction The accumulation of proteins and bacteria on implant surfaces is a critical concern in the biomedical field, especially with respect to the potential of biofilm formation on implant… Expand
New experimental evidence on charitable gift restrictions and donor behaviour
- S. Helms, B. Scott, J. Thornton
- Economics
- 27 August 2013
Gift restrictions are a common tool used by donors to ensure charitable intent. Owing to increased monitoring costs and the loss of flexibility, gift restrictions are costly to the recipient… Expand