NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Anne E. Winkler

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Working Papers

June 2015Welfare Rules, Incentives, and Family Structure
with Robert A. Moffitt, Brian J. Phelan: w21257
In this study we provide a new examination of the incentive effects of welfare rules on family structure. Focusing on the AFDC and TANF programs, we first emphasize that the literature, by and large, has assumed that the rules of those programs make a key distinction between married women and cohabiting women, but this is not a correct interpretation. In fact, it is the biological relationship between the children and any male in the household that primarily determines how the family is treated. In an empirical analysis conducted over the period 1996 to 2004 that correctly matches family structure outcomes to welfare rules, we find significant effects of several welfare policies on family structure, both work-related policies and family-oriented policies, effects that are stronger than i...
August 2009The Impact of Information Technology on Scientists' Productivity, Quality and Collaboration Patterns
with Waverly W. Ding, Sharon G. Levin, Paula E. Stephan: w15285
This study advances the prior literature concerning the impact of information technology on productivity in academe in two important ways. First, it utilizes a dataset that combines information on the diffusion of two noteworthy and early innovations in IT -- BITNET and the Domain Name System (DNS) -- with career history data on research-active life scientists. This research design allows for proper identification of the availability of access to IT as well as a means to directly identify causal effects. Second, the fine-grained nature of the data set allows for an investigation of three publishing outcomes: counts, quality, and co-authorship. Our analysis of a random sample of 3,771 research-active life scientists from 430 U.S. institutions over a 25-year period supports the hypothesis ...

Published: Ding, Waverly W., Sharon G. Levin, Paula E. Stepha n, and Anne E. Winkler. 2010. “ The Impact of Information Technology on Scientists’ Productivity, Quality and Collaboration Patterns . ” Management Science 56(9): 1439 -­‐ 1461 .

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