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The Effect of Welfare Payments on the Marriage and Fertility Behavior of Unwed Mothers: Results from a Twins Experiment [PDF]

open access: yes
We study one aspect of the link between welfare and unwed motherhood: the relationship between benefit levels and the time-to-first-marriage and time-to-next-birth among women whose first" child was born out of wedlock.
Jeff Grogger, Stephen G. Bronars
core  

A performance/loss evaluation of SSME HPFTP turbine [PDF]

open access: yes
An evaluation of component losses of the High Pressure Fuel Turbopump (HPFTP) in the Space Shuttle Main Engine (SSME) is performed using a mean-line prediction method.
Chyu, Mingking K.
core   +1 more source

Evolution of European light-duty vehicle CO2 emissions based on recent certification datasets.

open access: yesTransp Res D Transp Environ, 2022
Chatzipanagi A   +4 more
europepmc   +1 more source

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