Vassar College Digital Library

Vassar Scholarship

Vassar Scholarship, the institutional repository formerly known as Digital Window, reflects the research and scholarly output of the Vassar College community.  It provides access to a variety of collections, including senior theses and projects across a wide range of disciplines.

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Vassar Scholarship

An Issue of Sewerage: The role of Ellen Swallow Richards in Broad Irrigation at Vassar College and the present day impacts of excavation on Haven Loam soil

Publication Date
2023-April-20
Authors
Amore, Adelaide
Department or Program
Earth Science and Geography Department
Document Type
Senior Capstone Project
Access Level
Vassar Only
Abstract

From 1896 to 1909, a system of sewage disposal existed on the Vassar farm, purifying sewage through sandy soils and irrigating the adjacent crop fields. This system was ecologically innovative in its time and Ellen Swallow Richards, a Vassar alumna...

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Vassar Scholarship

Convergence among the U.S. states: Absolute, conditional, or club?

Publication Date
2003-October-01
Document Type
working paper
Authors
Johnson, Paul A.
Takeyama, Lisa N.
Department or Program
Economics Department
Document Type
Working Paper
Abstract

This paper attempts to ascertain which of the convergence hypotheses – absolute, conditional, or club – best describes the economic development of the U.S. states since 1950. We use regression tree analysis to identify convergence clubs among the states and...

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