Choosing among Alternative Nonexperimental Methods for Estimating the Impact of Social Programs: The Case of Manpower Training
- 期刊名称Journal of the American Statistical Association
- 作者Heckman, James J.; Hotz, V. Joseph
- 卷第84卷
- 期第408期
- 印刷ISSN0162-1459
- 电子ISSN1537-274X
- 文件大小2207.73KB
- 发表时间1989-12
- DOI10.1080/01621459.1989.10478848
- 页码862-874
Response to Koford: Red Squirrels and Supplemental FeedingThomas P. Sullivan and Walt Klenner · Journal of Mammalogy · 1992
Effects of Logging Pattern and Intensity on Squirrel DemographyJIM HERBERS; WALT KLENNER · 2007
Interdisciplinary research approaches to address complex forest management issuesKlenner, Walt; Vyse, Alan · The Forestry Chronicle · 1999
Effects of Logging Pattern and Intensity on Squirrel DemographyJim Herbers and Walt Klenner · The Journal of Wildlife Management · 2007
Wildlife Habitat Relationships in Forested Ecosystems.by David R. PattonReview by: Walt Klenner · The Quarterly Review of Biology · 1993
Red Squirrel Population Dynamics I. The Effect of Supplemental Food on DemographyWalt Klenner and Charles J. Krebs · Journal of Animal Ecology · 1991
Partial and clearcut harvesting of dry Douglas-fir forests: Implications for small mammal communitiesWalt Klenner; Thomas P. Sullivan · 2009
Key Factors in Population StudiesG. C. Varley and G. R. Gradwell · Journal of Animal Ecology · 1960
The Significance of Litter-SizeM. D. Mountford · Journal of Animal Ecology · 1968
The Natural Control of Animal PopulationsM. E. Solomon · Journal of Animal Ecology · 1949
The Ephemeroptera of a Stony StreamT. T. Macan · Journal of Animal Ecology · 1957
Spatial Analysis by Distance IndicesJoe N. Perry · Journal of Animal Ecology · 1995
Gause's Hypothesis: An ExaminationO. Gilbert, T. B. Reynoldson and J. Hobart · Journal of Animal Ecology · 1952
Winter Activity of Pipistrelle BatsM. I. Avery · Journal of Animal Ecology · 1985
Supplement: the Balance of Animal PopulationsA. J. Nicholson · Journal of Animal Ecology · 1933